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https://api.github.com/repos/huggingface/datasets/issues/6727 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6727/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6727/comments | https://api.github.com/repos/huggingface/datasets/issues/6727/events | https://github.com/huggingface/datasets/pull/6727 | 2,177,826,110 | PR_kwDODunzps5pLJyE | 6,727 | Using a registry instead of calling globals for fetching feature types | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6727). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"looks like some files are missing in your google storage",
"cc @mariosasko is it rela... | 2024-03-10T17:47:51 | 2024-03-13T12:08:49 | 2024-03-13T10:46:02 | CONTRIBUTOR | null | null | false | {
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When working with bio-data, each feature often has metadata associated with it (e.g. species, lineage, snp position, etc). To store this, I like to use the feature classes with the added `metadata` attribute. However, when saving or loading with custom features, you get an error since that class doesn't exist... | {
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https://api.github.com/repos/huggingface/datasets/issues/6295 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6295/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6295/comments | https://api.github.com/repos/huggingface/datasets/issues/6295/events | https://github.com/huggingface/datasets/pull/6295 | 1,937,362,102 | PR_kwDODunzps5cfiW8 | 6,295 | Fix parquet columns argument in streaming mode | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-10-11T10:01:01 | 2023-10-11T16:30:24 | 2023-10-11T16:21:36 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | It was failing when there's a DatasetInfo with non-None info.features from the YAML (therefore containing columns that should be ignored)
Fix https://github.com/huggingface/datasets/issues/6293 | {
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https://api.github.com/repos/huggingface/datasets/issues/6386 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6386/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6386/comments | https://api.github.com/repos/huggingface/datasets/issues/6386/events | https://github.com/huggingface/datasets/issues/6386 | 1,979,878,014 | I_kwDODunzps52Aop- | 6,386 | Formatting overhead | {
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"Ah I think the `line-profiler` log is off-by-one and it is in fact the `extract_batch` method that's taking forever. Will investigate further.",
"I tracked it down to a quirk of my setup. Apologies."
] | 2023-11-06T19:06:38 | 2023-11-06T23:56:12 | 2023-11-06T23:56:12 | NONE | null | null | null | null | ### Describe the bug
Hi! I very recently noticed that my training time is dominated by batch formatting. Using Lightning's profilers, I located the bottleneck within `datasets.formatting.formatting` and then narrowed it down with `line-profiler`. It turns out that almost all of the overhead is due to creating new inst... | {
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https://api.github.com/repos/huggingface/datasets/issues/7424 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7424/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7424/comments | https://api.github.com/repos/huggingface/datasets/issues/7424/events | https://github.com/huggingface/datasets/pull/7424 | 2,882,663,621 | PR_kwDODunzps6Ms1Qx | 7,424 | Faster folder based builder + parquet support + allow repeated media + use torchvideo | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7424). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-02-26T19:55:18 | 2025-03-05T18:51:00 | 2025-03-05T17:41:23 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | This will be useful for LeRobotDataset (robotics datasets for [lerobot](https://github.com/huggingface/lerobot) based on videos)
Impacted builders:
- ImageFolder
- AudioFolder
- VideoFolder
Improvements:
- faster to stream (got a 5x speed up on an image dataset)
- improved RAM usage
- support for metadata.p... | {
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https://api.github.com/repos/huggingface/datasets/issues/5971 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5971/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5971/comments | https://api.github.com/repos/huggingface/datasets/issues/5971/events | https://github.com/huggingface/datasets/issues/5971 | 1,767,053,635 | I_kwDODunzps5pUxlD | 5,971 | Docs: make "repository structure" easier to find | {
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"Loading a local dataset also works the same way when `data_files` are not specified, so I agree we should make this info easier to discover \r\n\r\ncc @stevhliu ",
"Is this issue open? If so, I will self assign. ",
"@benjaminbrown038 Yes, it is. Maybe @stevhliu can give some pointers on improving this doc pag... | 2023-06-21T08:26:44 | 2023-07-05T06:51:38 | null | COLLABORATOR | null | null | null | null | The page https://huggingface.co/docs/datasets/repository_structure explains how to create a simple repository structure without a dataset script.
It's the simplest way to create a dataset and should be easier to find, particularly on the docs' first pages. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7221 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7221/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7221/comments | https://api.github.com/repos/huggingface/datasets/issues/7221/events | https://github.com/huggingface/datasets/pull/7221 | 2,582,114,631 | PR_kwDODunzps5-YNI8 | 7,221 | add CustomFeature base class to support user-defined features with encoding/decoding logic | {
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"@lhoestq would you be open to supporting this kind of extensibility?",
"I suggested a fix in https://github.com/huggingface/datasets/issues/7220 that would not necessarily require a parent class for custom features, lmk what you think"
] | 2024-10-11T20:10:27 | 2025-01-28T09:40:29 | 2025-01-28T09:40:29 | CONTRIBUTOR | null | null | false | {
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} | intended as fix for #7220 if this kind of extensibility is something that datasets is willing to support!
```python
from datasets.features.features import CustomFeature
class ListOfStrs(CustomFeature):
requires_encoding = True
def _encode_example(self, value):
if isinstance(value, str):
... | {
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https://api.github.com/repos/huggingface/datasets/issues/6458 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6458/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6458/comments | https://api.github.com/repos/huggingface/datasets/issues/6458/events | https://github.com/huggingface/datasets/pull/6458 | 2,016,577,761 | PR_kwDODunzps5gqy4M | 6,458 | Lazy data files resolution | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-11-29T13:18:44 | 2024-02-08T14:41:35 | 2024-02-08T14:41:35 | MEMBER | null | null | false | {
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} | Related to discussion at https://github.com/huggingface/datasets/pull/6255
this makes this code run in 2sec instead of >10sec
```python
from datasets import load_dataset
ds = load_dataset("glue", "sst2", streaming=True, trust_remote_code=False)
```
For some datasets with many configs and files it can be u... | {
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https://api.github.com/repos/huggingface/datasets/issues/6804 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6804/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6804/comments | https://api.github.com/repos/huggingface/datasets/issues/6804/events | https://github.com/huggingface/datasets/pull/6804 | 2,238,035,124 | PR_kwDODunzps5sYJFF | 6,804 | Fix --repo-type order in cli upload docs | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6804). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-04-11T15:39:09 | 2024-04-11T16:24:57 | 2024-04-11T16:18:47 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6747 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6747/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6747/comments | https://api.github.com/repos/huggingface/datasets/issues/6747/events | https://github.com/huggingface/datasets/pull/6747 | 2,201,219,384 | PR_kwDODunzps5qa5L- | 6,747 | chore(deps): bump fsspec | {
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https://api.github.com/repos/huggingface/datasets/issues/6981 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6981/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6981/comments | https://api.github.com/repos/huggingface/datasets/issues/6981/events | https://github.com/huggingface/datasets/pull/6981 | 2,361,520,022 | PR_kwDODunzps5y6tnN | 6,981 | Update docs on trust_remote_code defaults to False | {
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The docs needed to be updated due to this PR:
- #6954 | {
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https://api.github.com/repos/huggingface/datasets/issues/7730 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7730/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7730/comments | https://api.github.com/repos/huggingface/datasets/issues/7730/events | https://github.com/huggingface/datasets/pull/7730 | 3,301,907,242 | PR_kwDODunzps6iqTZI | 7,730 | Grammar fix: correct "showed" to "shown" in fingerprint.py | {
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```diff
- "This warning is only showed once. Subsequent hashing failures won't be showed."
+ "This warning is only shown once. Subsequent hashing failures won't be shown."
```
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https://api.github.com/repos/huggingface/datasets/issues/6802 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6802/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6802/comments | https://api.github.com/repos/huggingface/datasets/issues/6802/events | https://github.com/huggingface/datasets/pull/6802 | 2,237,365,489 | PR_kwDODunzps5sV0m8 | 6,802 | Fix typo in docs (upload CLI) | {
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Positional args must be placed before optional args.
Feel free to merge whenever it's ready. | {
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https://api.github.com/repos/huggingface/datasets/issues/7826 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7826/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7826/comments | https://api.github.com/repos/huggingface/datasets/issues/7826/events | https://github.com/huggingface/datasets/pull/7826 | 3,545,534,210 | PR_kwDODunzps6vTyKR | 7,826 | picklable batch_fn | {
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https://api.github.com/repos/huggingface/datasets/issues/7576 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7576/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7576/comments | https://api.github.com/repos/huggingface/datasets/issues/7576/events | https://github.com/huggingface/datasets/pull/7576 | 3,080,450,538 | PR_kwDODunzps6XEuMz | 7,576 | Fix regex library warnings | {
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] | 2025-05-21T14:31:58 | 2025-06-05T13:35:16 | 2025-06-05T12:37:55 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | # PR Summary
This small PR resolves the regex library warnings showing starting Python3.11:
```python
DeprecationWarning: 'count' is passed as positional argument
``` | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-02-19T10:10:50 | 2024-02-28T07:02:40 | 2024-02-28T06:56:34 | MEMBER | null | null | false | {
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Fix #6679. | {
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https://api.github.com/repos/huggingface/datasets/issues/5906 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5906/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5906/comments | https://api.github.com/repos/huggingface/datasets/issues/5906/events | https://github.com/huggingface/datasets/issues/5906 | 1,728,171,113 | I_kwDODunzps5nAcxp | 5,906 | Could you unpin responses version? | {
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Could you unpin [this](https://github.com/huggingface/datasets/blob/main/setup.py#L139) or move it to test requirements? This is a testing library and we also use it for our tests as well. We do not want to use a very outdated version.
### Steps to reproduce the bug
could not install this librar... | {
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https://api.github.com/repos/huggingface/datasets/issues/6020 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6020/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6020/comments | https://api.github.com/repos/huggingface/datasets/issues/6020/events | https://github.com/huggingface/datasets/issues/6020 | 1,799,720,536 | I_kwDODunzps5rRY5Y | 6,020 | Inconsistent "The features can't be aligned" error when combining map, multiprocessing, and variable length outputs | {
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"This scenario currently requires explicitly passing the target features (to avoid the error): \r\n```python\r\nimport datasets\r\n\r\n...\r\n\r\nfeatures = dataset.features\r\nfeatures[\"output\"] = = [{\"test\": datasets.Value(\"int64\")}]\r\ntest2 = dataset.map(lambda row, idx: test_func(row, idx), with_indices=... | 2023-07-11T20:40:38 | 2024-10-27T06:30:13 | null | NONE | null | null | null | null | ### Describe the bug
I'm using a dataset with map and multiprocessing to run a function that returned a variable length list of outputs. This output list may be empty. Normally this is handled fine, but there is an edge case that crops up when using multiprocessing. In some cases, an empty list result ends up in a dat... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7390 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7390/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7390/comments | https://api.github.com/repos/huggingface/datasets/issues/7390/events | https://github.com/huggingface/datasets/issues/7390 | 2,843,813,365 | I_kwDODunzps6pgSX1 | 7,390 | Re-add py.typed | {
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"A similar issue was fixed for the `transformers` package, too: https://github.com/huggingface/transformers/pull/37022"
] | 2025-02-10T22:12:52 | 2025-08-10T00:51:17 | null | CONTRIBUTOR | null | null | null | null | ### Feature request
The motivation for removing py.typed no longer seems to apply. Would a solution like [this one](https://github.com/huggingface/huggingface_hub/pull/2752) work here?
### Motivation
MyPy support is broken. As more type checkers come out, such as RedKnot, these may also be broken. It would be goo... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6955 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6955/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6955/comments | https://api.github.com/repos/huggingface/datasets/issues/6955/events | https://github.com/huggingface/datasets/pull/6955 | 2,333,802,815 | PR_kwDODunzps5xcSYm | 6,955 | Fix small typo | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2024-06-04T15:19:02 | 2024-06-05T10:18:56 | 2024-06-04T15:20:55 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7298 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7298/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7298/comments | https://api.github.com/repos/huggingface/datasets/issues/7298/events | https://github.com/huggingface/datasets/issues/7298 | 2,694,196,968 | I_kwDODunzps6gli7o | 7,298 | loading dataset issue with load_dataset() when training controlnet | {
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"gists_url"... | [] | open | false | null | [] | null | [] | 2024-11-26T10:50:18 | 2024-11-26T10:50:18 | null | NONE | null | null | null | null | ### Describe the bug
i'm unable to load my dataset for [controlnet training](https://github.com/huggingface/diffusers/blob/074e12358bc17e7dbe111ea4f62f05dbae8a49d5/examples/controlnet/train_controlnet.py#L606) using load_dataset(). however, load_from_disk() seems to work?
would appreciate if someone can explain why ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6718 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6718/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6718/comments | https://api.github.com/repos/huggingface/datasets/issues/6718/events | https://github.com/huggingface/datasets/pull/6718 | 2,169,468,488 | PR_kwDODunzps5ouwwE | 6,718 | Fix concurrent script loading with force_redownload | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6718). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-03-05T15:04:20 | 2024-03-07T14:05:53 | 2024-03-07T13:58:04 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | I added `lock_importable_file` in `get_dataset_builder_class` and `extend_dataset_builder_for_streaming` to fix the issue, and I also added a test
cc @clefourrier | {
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https://api.github.com/repos/huggingface/datasets/issues/6989 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6989/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6989/comments | https://api.github.com/repos/huggingface/datasets/issues/6989/events | https://github.com/huggingface/datasets/issues/6989 | 2,365,556,449 | I_kwDODunzps6M_4bh | 6,989 | cache in nfs error | {
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"Hey @simplew2011 I am curious if you know of a workaround, or possible implications of letting the code run?"
] | 2024-06-21T02:09:22 | 2025-01-29T11:44:04 | null | NONE | null | null | null | null | ### Describe the bug
- When reading dataset, a cache will be generated to the ~/. cache/huggingface/datasets directory
- When using .map and .filter operations, runtime cache will be generated to the /tmp/hf_datasets-* directory
- The default is to use the path of tempfile.tempdir
- If I modify this path to the N... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6004 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6004/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6004/comments | https://api.github.com/repos/huggingface/datasets/issues/6004/events | https://github.com/huggingface/datasets/pull/6004 | 1,786,636,368 | PR_kwDODunzps5UjN2h | 6,004 | Misc improvements | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-07-03T18:29:14 | 2023-07-06T17:04:11 | 2023-07-06T16:55:25 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Contains the following improvements:
* fixes a "share dataset" link in README and modifies the "hosting" part in the disclaimer section
* updates `Makefile` to also run the style checks on `utils` and `setup.py`
* deletes a test for GH-hosted datasets (no longer supported)
* deletes `convert_dataset.sh` (outdated... | {
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https://api.github.com/repos/huggingface/datasets/issues/6289 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6289/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6289/comments | https://api.github.com/repos/huggingface/datasets/issues/6289/events | https://github.com/huggingface/datasets/pull/6289 | 1,935,628,506 | PR_kwDODunzps5cZiay | 6,289 | testing doc-builder | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-10-10T15:17:29 | 2023-10-13T08:57:14 | 2023-10-13T08:56:48 | NONE | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6784 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6784/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6784/comments | https://api.github.com/repos/huggingface/datasets/issues/6784/events | https://github.com/huggingface/datasets/pull/6784 | 2,228,390,504 | PR_kwDODunzps5r3UTj | 6,784 | Extract data on the fly in packaged builders | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6784). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"CI failures are unrelated, so this is ready for the review",
"<details>\n<summary>Sho... | 2024-04-05T16:12:25 | 2024-04-16T16:37:47 | 2024-04-16T16:31:29 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Instead of waiting for data files to be extracted in the packaged builders, we can prepend the compression prefix and extract them as they are being read (using `fsspec`). This saves disk space (deleting extracted archives is not set by default) and slightly speeds up dataset generation (less disk reads) | {
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https://api.github.com/repos/huggingface/datasets/issues/7813 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7813/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7813/comments | https://api.github.com/repos/huggingface/datasets/issues/7813/events | https://github.com/huggingface/datasets/issues/7813 | 3,503,446,288 | I_kwDODunzps7Q0lkQ | 7,813 | Caching does not work when using python3.14 | {
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"https://github.com/uqfoundation/dill/issues/725",
"@intexcor does #7817 fix your problem?"
] | 2025-10-10T15:36:46 | 2025-10-27T17:08:26 | 2025-10-27T17:08:26 | NONE | null | null | null | null | ### Describe the bug
Traceback (most recent call last):
File "/workspace/ctn.py", line 8, in <module>
ds = load_dataset(f"naver-clova-ix/synthdog-{lang}") # или "synthdog-zh" для китайского
File "/workspace/.venv/lib/python3.14/site-packages/datasets/load.py", line 1397, in load_dataset
builder_instance =... | {
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https://api.github.com/repos/huggingface/datasets/issues/6733 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6733/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6733/comments | https://api.github.com/repos/huggingface/datasets/issues/6733/events | https://github.com/huggingface/datasets/issues/6733 | 2,186,811,724 | I_kwDODunzps6CWBlM | 6,733 | EmptyDatasetError when loading dataset downloaded with HuggingFace cli | {
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"Hi! `datasets` is not compatible with `huggingface_hub`'s cache structure, hence the error.\r\n\r\nYou can track https://github.com/huggingface/datasets/issues/5080 to get notified when this is implemented."
] | 2024-03-14T16:41:27 | 2024-03-15T18:09:02 | null | NONE | null | null | null | null | ### Describe the bug
I am using a cluster that does not have access to the internet when given a job. I tried downloading the dataset using the huggingface-cli command and then loading it with load_dataset but I get an error:
```raise EmptyDatasetError(f"The directory at {base_path} doesn't contain any data files... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6003 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6003/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6003/comments | https://api.github.com/repos/huggingface/datasets/issues/6003/events | https://github.com/huggingface/datasets/issues/6003 | 1,786,554,110 | I_kwDODunzps5qfKb- | 6,003 | interleave_datasets & DataCollatorForLanguageModeling having a conflict ? | {
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... | [] | open | false | null | [] | null | [] | 2023-07-03T17:15:31 | 2023-07-03T17:15:31 | null | NONE | null | null | null | null | ### Describe the bug
Hi everyone :)
I have two local & custom datasets (1 "sentence" per line) which I split along the 95/5 lines for pre-training a Bert model. I use a modified version of `run_mlm.py` in order to be able to make use of `interleave_dataset`:
- `tokenize()` runs fine
- `group_text()` runs fine
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https://api.github.com/repos/huggingface/datasets/issues/7277 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7277/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7277/comments | https://api.github.com/repos/huggingface/datasets/issues/7277/events | https://github.com/huggingface/datasets/pull/7277 | 2,632,459,184 | PR_kwDODunzps6AyB7O | 7,277 | Add link to video dataset | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7277). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-11-04T10:45:12 | 2024-11-04T17:05:06 | 2024-11-04T17:05:06 | CONTRIBUTOR | null | null | false | {
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cc @mfarre | {
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https://api.github.com/repos/huggingface/datasets/issues/7138 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7138/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7138/comments | https://api.github.com/repos/huggingface/datasets/issues/7138/events | https://github.com/huggingface/datasets/issues/7138 | 2,507,738,308 | I_kwDODunzps6VeQzE | 7,138 | Cache only changed columns? | {
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"so I guess a workaround to this is to simply remove all columns except the ones to cache and then add them back with `concatenate_datasets(..., axis=1)`.",
"yes this is the right workaround. We're keeping the cache like this to make it easier for people to delete intermediate cache files"
] | 2024-09-05T12:56:47 | 2024-09-20T13:27:20 | null | CONTRIBUTOR | null | null | null | null | ### Feature request
Cache only the actual changes to the dataset i.e. changed columns.
### Motivation
I realized that caching actually saves the complete dataset again.
This is especially problematic for image datasets if one wants to only change another column e.g. some metadata and then has to save 5 TB again.
#... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6150 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6150/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6150/comments | https://api.github.com/repos/huggingface/datasets/issues/6150/events | https://github.com/huggingface/datasets/issues/6150 | 1,850,740,456 | I_kwDODunzps5uUA7o | 6,150 | Allow dataset implement .take | {
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"```\r\n dataset = IterableDataset(dataset) if type(dataset) != IterableDataset else dataset # to force dataset.take(batch_size) to work in non-streaming mode\r\n ```\r\n",
"hf discuss: https://discuss.huggingface.co/t/how-does-one-make-dataset-take-512-work-with-streaming-false-with-hugging-face-data-set/5... | 2023-08-15T00:17:51 | 2023-08-17T13:49:37 | null | NONE | null | null | null | null | ### Feature request
I want to do:
```
dataset.take(512)
```
but it only works with streaming = True
### Motivation
uniform interface to data sets. Really surprising the above only works with streaming = True.
### Your contribution
Should be trivial to copy paste the IterableDataset .take to use the local pa... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7744 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7744/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7744/comments | https://api.github.com/repos/huggingface/datasets/issues/7744/events | https://github.com/huggingface/datasets/issues/7744 | 3,343,510,686 | I_kwDODunzps7HSeye | 7,744 | dtype: ClassLabel is not parsed correctly in `features.py` | {
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"I think it's \"class_label\"",
"> I think it's \"class_label\"\n\nI see -- thank you. This works\n\n```yaml\nlicense: mit\nlanguage:\n- en\ntags:\n- genomics\n- yeast\n- transcription\n- perturbation\n- response\n- overexpression\npretty_name: Hackett, 2020 Overexpression\nsize_categories:\n- 1M<n<10M\ndataset_i... | 2025-08-21T23:28:50 | 2025-09-10T15:23:41 | 2025-09-10T15:23:41 | NONE | null | null | null | null | `dtype: ClassLabel` in the README.md yaml metadata is parsed incorrectly and causes the data viewer to fail.
This yaml in my metadata ([source](https://huggingface.co/datasets/BrentLab/yeast_genome_resources/blob/main/README.md), though i changed `ClassLabel` to `string` to using different dtype in order to avoid the ... | {
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https://api.github.com/repos/huggingface/datasets/issues/7684 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7684/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7684/comments | https://api.github.com/repos/huggingface/datasets/issues/7684/events | https://github.com/huggingface/datasets/pull/7684 | 3,231,680,474 | PR_kwDODunzps6e9SjQ | 7,684 | fix audio cast storage from array + sampling_rate | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7684). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-07-15T10:13:42 | 2025-07-15T10:24:08 | 2025-07-15T10:24:07 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7393 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7393/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7393/comments | https://api.github.com/repos/huggingface/datasets/issues/7393/events | https://github.com/huggingface/datasets/pull/7393 | 2,846,446,674 | PR_kwDODunzps6K3DiZ | 7,393 | Optimized sequence encoding for scalars | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7393). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-02-11T20:30:44 | 2025-02-13T17:11:33 | 2025-02-13T17:11:32 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | The change in https://github.com/huggingface/datasets/pull/3197 introduced redundant list-comprehensions when `obj` is a long sequence of scalars. This becomes a noticeable overhead when loading data from an `IterableDataset` in the function `_apply_feature_types_on_example` and can be eliminated by adding a check for ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6440 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6440/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6440/comments | https://api.github.com/repos/huggingface/datasets/issues/6440/events | https://github.com/huggingface/datasets/issues/6440 | 2,004,509,301 | I_kwDODunzps53emJ1 | 6,440 | `.map` not hashing under python 3.9 | {
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"Tried to upgrade Python to 3.11 - still get this message. A partial solution is to NOT use `num_proc` at all. It will be considerably longer to finish the job.",
"Hi! The `model = torch.compile(model)` line is problematic for our hashing logic. We would have to merge https://github.com/huggingface/datasets/pull/... | 2023-11-21T15:14:54 | 2023-11-28T16:29:33 | 2023-11-28T16:29:33 | NONE | null | null | null | null | ### Describe the bug
The `.map` function cannot hash under python 3.9. Tried to use [the solution here](https://github.com/huggingface/datasets/issues/4521#issuecomment-1205166653), but still get the same message:
`Parameter 'function'=<function map_to_pred at 0x7fa0b49ead30> of the transform datasets.arrow_data... | {
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https://api.github.com/repos/huggingface/datasets/issues/5932 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5932/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5932/comments | https://api.github.com/repos/huggingface/datasets/issues/5932/events | https://github.com/huggingface/datasets/pull/5932 | 1,746,249,161 | PR_kwDODunzps5Sbrzo | 5,932 | [doc build] Use secrets | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-06-07T16:09:39 | 2023-06-09T10:16:58 | 2023-06-09T09:53:16 | NONE | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7009 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7009/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7009/comments | https://api.github.com/repos/huggingface/datasets/issues/7009/events | https://github.com/huggingface/datasets/pull/7009 | 2,379,619,132 | PR_kwDODunzps5z2Xe6 | 7,009 | Support ruff 0.5.0 in CI | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7009). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-28T05:37:36 | 2024-06-28T07:17:26 | 2024-06-28T07:11:17 | MEMBER | null | null | false | {
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- #7007
Fix #7008. | {
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https://api.github.com/repos/huggingface/datasets/issues/7198 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7198/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7198/comments | https://api.github.com/repos/huggingface/datasets/issues/7198/events | https://github.com/huggingface/datasets/pull/7198 | 2,566,064,849 | PR_kwDODunzps59mwgu | 7,198 | Add repeat method to datasets | {
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"@lhoestq does this look reasonable?",
"updated and added test cases!",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7198). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"thanks for ... | 2024-10-04T10:45:16 | 2025-02-05T16:32:31 | 2025-02-05T16:32:31 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Following up on discussion in #6623 and #7198 I thought this would be pretty useful for my case so had a go at implementing.
My main motivation is to be able to call iterable_dataset.repeat(None).take(samples_per_epoch) to safely avoid timeout issues in a distributed training setting. This would provide a straightfo... | {
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https://api.github.com/repos/huggingface/datasets/issues/6276 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6276/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6276/comments | https://api.github.com/repos/huggingface/datasets/issues/6276/events | https://github.com/huggingface/datasets/issues/6276 | 1,925,961,878 | I_kwDODunzps5yy9iW | 6,276 | I'm trying to fine tune the openai/whisper model from huggingface using jupyter notebook and i keep getting this error | {
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"Since you are using Windows, maybe moving the `map` call inside `if __name__ == \"__main__\"` can fix the issue:\r\n```python\r\nif __name__ == \"__main__\":\r\n common_voice = common_voice.map(prepare_dataset, remove_columns=common_voice.column_names[\"train\"], num_proc=4)\r\n```\r\n\r\nOtherwise, the only s... | 2023-10-04T11:03:41 | 2023-11-27T10:39:16 | null | NONE | null | null | null | null | ### Describe the bug
I'm trying to fine tune the openai/whisper model from huggingface using jupyter notebook and i keep getting this error, i'm following the steps in this blog post
https://huggingface.co/blog/fine-tune-whisper
I tried google collab and it works but because I'm on the free version the training ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7737 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7737/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7737/comments | https://api.github.com/repos/huggingface/datasets/issues/7737/events | https://github.com/huggingface/datasets/pull/7737 | 3,318,670,801 | PR_kwDODunzps6jf5io | 7,737 | docs: Add column overwrite example to batch mapping guide | {
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"Hi @lhoestq, just a gentle follow-up on this PR."
] | 2025-08-13T14:20:19 | 2025-09-04T11:11:37 | 2025-09-04T11:11:37 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | This PR adds a complementary example showing the **column-overwriting** pattern, which is both more direct and more flexible for many transformations.
### Proposed Change
The original `remove_columns` example remains untouched. Below it, this PR introduces an alternative approach that overwrites an existing colum... | {
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https://api.github.com/repos/huggingface/datasets/issues/6813 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6813/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6813/comments | https://api.github.com/repos/huggingface/datasets/issues/6813/events | https://github.com/huggingface/datasets/pull/6813 | 2,245,626,870 | PR_kwDODunzps5sx-9V | 6,813 | Add Dataset.take and Dataset.skip | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6813). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-04-16T09:53:42 | 2024-04-16T14:12:14 | 2024-04-16T14:06:07 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7037 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7037/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7037/comments | https://api.github.com/repos/huggingface/datasets/issues/7037/events | https://github.com/huggingface/datasets/issues/7037 | 2,400,192,419 | I_kwDODunzps6PEAej | 7,037 | A bug of Dataset.to_json() function | {
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"Thanks for reporting, @LinglingGreat.\r\n\r\nI confirm this is a bug.",
"@albertvillanova I would like to take a shot at this if you aren't working on it currently. Let me know!"
] | 2024-07-10T09:11:22 | 2024-09-22T13:16:07 | null | NONE | null | null | null | null | ### Describe the bug
When using the Dataset.to_json() function, an unexpected error occurs if the parameter is set to lines=False. The stored data should be in the form of a list, but it actually turns into multiple lists, which causes an error when reading the data again.
The reason is that to_json() writes to the f... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6685 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6685/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6685/comments | https://api.github.com/repos/huggingface/datasets/issues/6685/events | https://github.com/huggingface/datasets/pull/6685 | 2,145,570,006 | PR_kwDODunzps5ndZQa | 6,685 | Updated Quickstart Notebook link | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6685). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-02-21T01:04:18 | 2024-03-12T21:31:04 | 2024-02-25T18:48:08 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6141 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6141/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6141/comments | https://api.github.com/repos/huggingface/datasets/issues/6141/events | https://github.com/huggingface/datasets/issues/6141 | 1,846,117,729 | I_kwDODunzps5uCYVh | 6,141 | TypeError: ClientSession._request() got an unexpected keyword argument 'https' | {
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"Hi! I cannot reproduce this error on my machine or in Colab. Which version of `fsspec` do you have installed?"
] | 2023-08-11T02:40:32 | 2023-08-30T13:51:33 | 2023-08-30T13:51:33 | NONE | null | null | null | null | ### Describe the bug
Hello, when I ran the [code snippet](https://huggingface.co/docs/datasets/v2.14.4/en/loading#json) on the document, I encountered the following problem:
```
Python 3.10.9 (main, Mar 1 2023, 18:23:06) [GCC 11.2.0] on linux
Type "help", "copyright", "credits" or "license" for more informatio... | {
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https://api.github.com/repos/huggingface/datasets/issues/7660 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7660/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7660/comments | https://api.github.com/repos/huggingface/datasets/issues/7660/events | https://github.com/huggingface/datasets/issues/7660 | 3,189,028,251 | I_kwDODunzps6-FLWb | 7,660 | AttributeError: type object 'tqdm' has no attribute '_lock' | {
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"Deleting a class (**not instance**) attribute might be invalid in this case, which is `tqdm` doing in `ensure_lock`.\n\n```python\nfrom tqdm import tqdm as old_tqdm\n\nclass tqdm1(old_tqdm):\n def __delattr__(self, attr):\n try:\n super().__delattr__(attr)\n except AttributeError:\n ... | 2025-06-30T15:57:16 | 2025-07-03T15:14:27 | null | NONE | null | null | null | null | ### Describe the bug
`AttributeError: type object 'tqdm' has no attribute '_lock'`
It occurs when I'm trying to load datasets in thread pool.
Issue https://github.com/huggingface/datasets/issues/6066 and PR https://github.com/huggingface/datasets/pull/6067 https://github.com/huggingface/datasets/pull/6068 tried to f... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7023 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7023/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7023/comments | https://api.github.com/repos/huggingface/datasets/issues/7023/events | https://github.com/huggingface/datasets/pull/7023 | 2,388,090,424 | PR_kwDODunzps50TDot | 7,023 | Remove dead code for pyarrow < 15.0.0 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7023). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-07-03T09:05:03 | 2024-07-03T09:24:46 | 2024-07-03T09:17:35 | MEMBER | null | null | false | {
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Code is dead since the merge of:
- #6892
Fix #7022. | {
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https://api.github.com/repos/huggingface/datasets/issues/7595 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7595/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7595/comments | https://api.github.com/repos/huggingface/datasets/issues/7595/events | https://github.com/huggingface/datasets/pull/7595 | 3,121,689,436 | PR_kwDODunzps6ZOaFl | 7,595 | Add `IterableDataset.push_to_hub()` | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7595). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-06-05T15:29:32 | 2025-06-06T16:12:37 | 2025-06-06T16:12:36 | MEMBER | null | null | false | {
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This is to be improved later.
Close https://github.com/huggingface/datasets/issues/5665
PS: for image/audio datasets structured as actual image/audio files (not parquet), you can sometimes speed it up with `ds.decode(num_threads=...).push_to_h... | {
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https://api.github.com/repos/huggingface/datasets/issues/7071 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7071/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7071/comments | https://api.github.com/repos/huggingface/datasets/issues/7071/events | https://github.com/huggingface/datasets/issues/7071 | 2,430,313,011 | I_kwDODunzps6Q26Iz | 7,071 | Filter hangs | {
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... | [] | open | false | null | [] | null | [] | 2024-07-25T15:29:05 | 2024-07-25T15:36:59 | null | NONE | null | null | null | null | ### Describe the bug
When trying to filter my custom dataset, the process hangs, regardless of the lambda function used. It appears to be an issue with the way the Images are being handled. The dataset in question is a preprocessed version of https://huggingface.co/datasets/danaaubakirova/patfig where notably, I hav... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7762 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7762/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7762/comments | https://api.github.com/repos/huggingface/datasets/issues/7762/events | https://github.com/huggingface/datasets/pull/7762 | 3,406,885,775 | PR_kwDODunzps6oDiF2 | 7,762 | Parquet: use data page v2 for efficient page pruning | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7762). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Closing this since it looks like the page offset index is enough :)"
] | 2025-09-11T14:42:22 | 2025-09-11T15:24:25 | 2025-09-11T15:24:24 | MEMBER | null | null | false | {
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} | This is needed to enable page pruning with DataFusion, which will be useful for the Dataset Viewer.
Indeed page pruning with DataFusion allows to download only certain pages of a row group, reducing the I/O required to read just a few rows.
But while data page v1 generally works, it's not easy with DataFusion to ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6726 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6726/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6726/comments | https://api.github.com/repos/huggingface/datasets/issues/6726/events | https://github.com/huggingface/datasets/issues/6726 | 2,177,097,232 | I_kwDODunzps6Bw94Q | 6,726 | Profiling for HF Filesystem shows there are easy performance gains to be made | {
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"FWIW I debugged this while waiting for it to go",
"Oh I forgot to mention you can also cache resolve_pattern, and that seemed to also substantially improves things, if you want to load a dataset twice for whatever reason."
] | 2024-03-09T07:08:45 | 2024-03-09T07:11:08 | null | NONE | null | null | null | null | ### Describe the bug
# Let's make it faster
First, an evidence...
Figure 1: CProfile for loading 3 files from cerebras/SlimPajama-627B train split, and 3 files from test split using streaming=True. X axis is 1106... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7506 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7506/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7506/comments | https://api.github.com/repos/huggingface/datasets/issues/7506/events | https://github.com/huggingface/datasets/issues/7506 | 2,981,687,450 | I_kwDODunzps6xuPCa | 7,506 | HfHubHTTPError: 429 Client Error: Too Many Requests for URL when trying to access Fineweb-10BT on 4A100 GPUs using SLURM | {
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"Hi ! make sure to be logged in with your HF account (e.g. using `huggingface-cli login` or passing `token=` to `load_dataset()`), otherwise you'll get rate limited at one point",
"Hey @calvintanama! Just building on what @lhoestq mentioned above — I ran into similar issues in multi-GPU SLURM setups and here’s wh... | 2025-04-09T06:32:04 | 2025-06-29T06:04:59 | null | NONE | null | null | null | null | ### Describe the bug
I am trying to run some finetunings on 4 A100 GPUs using SLURM using axolotl training framework which in turn uses Huggingface's Trainer and Accelerate on [Fineweb-10BT](https://huggingface.co/datasets/HuggingFaceFW/fineweb), but I end up running into 429 Client Error: Too Many Requests for URL er... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6195 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6195/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6195/comments | https://api.github.com/repos/huggingface/datasets/issues/6195/events | https://github.com/huggingface/datasets/issues/6195 | 1,874,195,585 | I_kwDODunzps5vtfSB | 6,195 | Force to reuse cache at given path | {
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"realized that need to pass the path at `cache_file_name` like\r\n\r\n```python\r\ntokenized_datasets = raw_datasets[\"train\"].map(\r\n tokenize_function,\r\n batched=True,\r\n num_proc=data_args.preprocessing_num_workers,\r\n remove_columns=[text_column_... | 2023-08-30T18:44:54 | 2023-11-03T10:14:21 | 2023-08-30T19:00:45 | NONE | null | null | null | null | ### Describe the bug
I have run the official example of MLM like:
```bash
python run_mlm.py \
--model_name_or_path roberta-base \
--dataset_name togethercomputer/RedPajama-Data-1T \
--dataset_config_name arxiv \
--per_device_train_batch_size 10 \
--preprocessing_num_workers 20 ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6938 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6938/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6938/comments | https://api.github.com/repos/huggingface/datasets/issues/6938/events | https://github.com/huggingface/datasets/pull/6938 | 2,327,568,281 | PR_kwDODunzps5xHNKm | 6,938 | Fix expected splits when passing data_files or dir | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6938). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"fix is included in https://github.com/huggingface/datasets/pull/6925"
] | 2024-05-31T11:04:22 | 2024-05-31T15:28:03 | 2024-05-31T15:28:02 | MEMBER | null | null | false | {
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} | reported on slack:
The following code snippet gives an error with v2.19 but not with v2.18:
from datasets import load_dataset
```
dataset = load_dataset(
"lvwerra/stack-exchange-paired",
split="train",
cache_dir=None,
data_dir="data/rl",
)
```
and the error is:
```
Traceback (most recent ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6279 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6279/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6279/comments | https://api.github.com/repos/huggingface/datasets/issues/6279/events | https://github.com/huggingface/datasets/issues/6279 | 1,928,028,226 | I_kwDODunzps5y62BC | 6,279 | Batched IterableDataset | {
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"This is exactly what I was looking for. It would also be very useful for me :-)",
"This issue is really smashing the selling point of HF datasets... The only workaround I've found so far is to create a customized IterableDataloader which improves the loading speed to some extent.\r\n\r\nFor example I've a HF dat... | 2023-10-05T11:12:49 | 2024-11-07T10:01:22 | null | NONE | null | null | null | null | ### Feature request
Hi,
could you add an implementation of a batched `IterableDataset`. It already support an option to do batch iteration via `.iter(batch_size=...)` but this cannot be used in combination with a torch `DataLoader` since it just returns an iterator.
### Motivation
The current implementation load... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6805 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6805/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6805/comments | https://api.github.com/repos/huggingface/datasets/issues/6805/events | https://github.com/huggingface/datasets/issues/6805 | 2,239,034,951 | I_kwDODunzps6FdPZH | 6,805 | Batched mapping of existing string column casts boolean to string | {
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"This seems to be hardcoded behavior in table.py `array_cast`.\r\n```python\r\nif (\r\n not allow_number_to_str\r\n and pa.types.is_string(pa_type)\r\n and (pa.types.is_floating(array.type) or pa.types.is_integer(array.type))\r\n ):\r\n raise TypeError(\r\n ... | 2024-04-12T04:21:41 | 2024-07-03T15:00:07 | 2024-07-03T15:00:07 | NONE | null | null | null | null | ### Describe the bug
Let the dataset contain a column named 'a', which is of the string type.
If 'a' is converted to a boolean using batched mapping, the mapper automatically casts the boolean to a string (e.g., True -> 'true').
It only happens when the original column and the mapped column name are identical.
Th... | {
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https://api.github.com/repos/huggingface/datasets/issues/5873 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5873/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5873/comments | https://api.github.com/repos/huggingface/datasets/issues/5873/events | https://github.com/huggingface/datasets/issues/5873 | 1,713,269,724 | I_kwDODunzps5mHmvc | 5,873 | Allow setting the environment variable for the lock file path | {
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] | open | false | null | [] | null | [] | 2023-05-17T07:10:02 | 2023-05-17T07:11:05 | null | NONE | null | null | null | null | ### Feature request
Add an environment variable to replace the default lock file path.
### Motivation
Usually, dataset path is a read-only path while the lock file needs to be modified each time. It would be convenient if the path can be reset individually.
### Your contribution
```/src/datasets/utils/fi... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7328 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7328/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7328/comments | https://api.github.com/repos/huggingface/datasets/issues/7328/events | https://github.com/huggingface/datasets/pull/7328 | 2,738,626,593 | PR_kwDODunzps6FKK13 | 7,328 | Fix typo in arrow_dataset | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7328). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-12-13T15:17:09 | 2024-12-19T17:10:27 | 2024-12-19T17:10:25 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6100 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6100/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6100/comments | https://api.github.com/repos/huggingface/datasets/issues/6100/events | https://github.com/huggingface/datasets/issues/6100 | 1,828,118,930 | I_kwDODunzps5s9uGS | 6,100 | TypeError when loading from GCP bucket | {
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"Thanks for reporting, @bilelomrani1.\r\n\r\nWe are fixing it. ",
"We have fixed it. We are planning to do a patch release today."
] | 2023-07-30T23:03:00 | 2023-08-03T10:00:48 | 2023-08-01T10:38:55 | NONE | null | null | null | null | ### Describe the bug
Loading a dataset from a GCP bucket raises a type error. This bug was introduced recently (either in 2.14 or 2.14.1), and appeared during a migration from 2.13.1.
### Steps to reproduce the bug
Load any file from a GCP bucket:
```python
import datasets
datasets.load_dataset("json", data_f... | {
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https://api.github.com/repos/huggingface/datasets/issues/7652 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7652/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7652/comments | https://api.github.com/repos/huggingface/datasets/issues/7652/events | https://github.com/huggingface/datasets/pull/7652 | 3,183,372,055 | PR_kwDODunzps6cdCnv | 7,652 | Add columns support to JSON loader for selective key filtering | {
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"I need this feature right now. It would be great if it could automatically fill in None for non-existent keys instead of reporting an error.",
"> I need this feature right now. It would be great if it could automatically fill in None for non-existent keys instead of reporting an error.\r\n\r\nHi @aihao2000, Just... | 2025-06-27T16:18:42 | 2025-09-04T17:35:31 | 2025-09-04T17:35:31 | CONTRIBUTOR | null | null | false | {
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} | Fixes #7594
This PR adds support for filtering specific columns when loading datasets from .json or .jsonl files — similar to how the columns=... argument works for Parquet.
As suggested, support for the `columns=...` argument (previously available for Parquet) has now been extended to **JSON and JSONL** loading v... | {
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https://api.github.com/repos/huggingface/datasets/issues/6695 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6695/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6695/comments | https://api.github.com/repos/huggingface/datasets/issues/6695/events | https://github.com/huggingface/datasets/issues/6695 | 2,154,075,509 | I_kwDODunzps6AZJV1 | 6,695 | Support JSON file with an array of strings | {
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"https://huggingface.co/datasets/CausalLM/Refined-Anime-Text/discussions/1 has been fixed, but how can we check if there are other datasets with the same error, in datasets-server's database? I don't know how to get the list of erroneous cache entries, since we only copied `Error code: JobManagerCrashedError`, bu... | 2024-02-26T12:35:11 | 2024-03-08T14:16:25 | 2024-02-28T06:39:13 | MEMBER | null | null | null | null | Support loading a dataset from a JSON file with an array of strings.
See: https://huggingface.co/datasets/CausalLM/Refined-Anime-Text/discussions/1 | {
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https://api.github.com/repos/huggingface/datasets/issues/6759 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6759/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6759/comments | https://api.github.com/repos/huggingface/datasets/issues/6759/events | https://github.com/huggingface/datasets/issues/6759 | 2,208,892,891 | I_kwDODunzps6DqQfb | 6,759 | Persistent multi-process Pool | {
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] | open | false | null | [] | null | [] | 2024-03-26T17:35:25 | 2024-03-26T17:35:25 | null | NONE | null | null | null | null | ### Feature request
Running .map and filter functions with `num_procs` consecutively instantiates several multiprocessing pools iteratively.
As instantiating a Pool is very resource intensive it can be a bottleneck to performing iteratively filtering.
My ideas:
1. There should be an option to declare `persist... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6282 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6282/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6282/comments | https://api.github.com/repos/huggingface/datasets/issues/6282/events | https://github.com/huggingface/datasets/pull/6282 | 1,928,473,630 | PR_kwDODunzps5cBT5p | 6,282 | Drop data_files duplicates | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-10-05T14:43:08 | 2024-09-02T14:08:35 | 2024-09-02T14:08:35 | MEMBER | null | null | false | {
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} | I just added drop_duplicates=True to `.from_patterns`. I used a dict to deduplicate and preserve the order
close https://github.com/huggingface/datasets/issues/6259
close https://github.com/huggingface/datasets/issues/6272
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https://api.github.com/repos/huggingface/datasets/issues/6640 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6640/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6640/comments | https://api.github.com/repos/huggingface/datasets/issues/6640/events | https://github.com/huggingface/datasets/issues/6640 | 2,115,864,531 | I_kwDODunzps5-HYfT | 6,640 | Sign Language Support | {
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] | open | false | null | [] | null | [] | 2024-02-02T21:54:51 | 2024-02-02T21:54:51 | null | NONE | null | null | null | null | ### Feature request
Currently, there are only several Sign Language labels, I would like to propose adding all the Signed Languages as new labels which are described in this ISO standard: https://www.evertype.com/standards/iso639/sign-language.html
### Motivation
Datasets currently only have labels for several signe... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6366 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6366/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6366/comments | https://api.github.com/repos/huggingface/datasets/issues/6366/events | https://github.com/huggingface/datasets/issues/6366 | 1,970,213,490 | I_kwDODunzps51bxJy | 6,366 | with_format() function returns bytes instead of PIL images even when image column is not part of "columns" | {
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"Thanks for reporting! I've opened a PR with a fix."
] | 2023-10-31T11:10:48 | 2023-11-02T14:21:17 | 2023-11-02T14:21:17 | NONE | null | null | null | null | ### Describe the bug
When using the with_format() function on a dataset containing images, even if the image column is not part of the columns provided in the function, its type will be changed to bytes.
Here is a minimal reproduction of the bug:
https://colab.research.google.com/drive/1hyaOspgyhB41oiR1-tXE3k_gJCdJU... | {
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https://api.github.com/repos/huggingface/datasets/issues/7603 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7603/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7603/comments | https://api.github.com/repos/huggingface/datasets/issues/7603/events | https://github.com/huggingface/datasets/pull/7603 | 3,130,394,563 | PR_kwDODunzps6ZsKin | 7,603 | No TF in win tests | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7603). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-06-09T13:56:34 | 2025-06-09T15:33:31 | 2025-06-09T15:33:30 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6620 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6620/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6620/comments | https://api.github.com/repos/huggingface/datasets/issues/6620/events | https://github.com/huggingface/datasets/issues/6620 | 2,103,110,536 | I_kwDODunzps59WuuI | 6,620 | wiki_dpr.py error (ID mismatch between lines {id} and vector {vec_id} | {
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"Thanks for reporting, @kiehls90.\r\n\r\nAs this seems an issue with the specific \"wiki_dpr\" dataset, I am transferring the issue to the corresponding dataset page: https://huggingface.co/datasets/wiki_dpr/discussions/13"
] | 2024-01-27T01:00:09 | 2024-02-06T09:40:19 | 2024-02-06T09:40:19 | NONE | null | null | null | null | ### Describe the bug
I'm trying to run a rag example, and the dataset is wiki_dpr.
wiki_dpr download and extracting have been completed successfully.
However, at the generating train split stage, an error from wiki_dpr.py keeps popping up.
Especially in "_generate_examples" :
1. The following error occurs in the... | {
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https://api.github.com/repos/huggingface/datasets/issues/7421 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7421/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7421/comments | https://api.github.com/repos/huggingface/datasets/issues/7421/events | https://github.com/huggingface/datasets/issues/7421 | 2,878,369,052 | I_kwDODunzps6rkG0c | 7,421 | DVC integration broken | {
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"Unfortunately `url` is a reserved argument in `fsspec.url_to_fs`, so ideally file system implementations like DVC should use another argument name to avoid this kind of errors"
] | 2025-02-25T13:14:31 | 2025-03-03T17:42:02 | null | NONE | null | null | null | null | ### Describe the bug
The DVC integration seems to be broken.
Followed this guide: https://dvc.org/doc/user-guide/integrations/huggingface
### Steps to reproduce the bug
#### Script to reproduce
~~~python
from datasets import load_dataset
dataset = load_dataset(
"csv",
data_files="dvc://workshop/satellite-d... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6942 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6942/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6942/comments | https://api.github.com/repos/huggingface/datasets/issues/6942/events | https://github.com/huggingface/datasets/issues/6942 | 2,329,562,382 | I_kwDODunzps6K2k0O | 6,942 | Import sorting is disabled by flake8 noqa directive after switching to ruff linter | {
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"following_url": "https://api.github.com/users/albertvillanova/following{/o... | null | [] | 2024-06-02T09:43:34 | 2024-06-04T09:54:24 | 2024-06-04T09:54:24 | MEMBER | null | null | null | null | When we switched to `ruff` linter in PR:
- #5519
import sorting was disabled in all files containing the `# flake8: noqa` directive
- https://github.com/astral-sh/ruff/issues/11679
We should re-enable import sorting on those files. | {
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https://api.github.com/repos/huggingface/datasets/issues/5984 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5984/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5984/comments | https://api.github.com/repos/huggingface/datasets/issues/5984/events | https://github.com/huggingface/datasets/issues/5984 | 1,771,571,458 | I_kwDODunzps5pmAkC | 5,984 | AutoSharding IterableDataset's when num_workers > 1 | {
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"color": "a2eeef",
"default": true,
"description": "New feature or request",
"id": 1935892871,
"name": "enhancement",
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"For this to be possible, we would have to switch from the \"Streaming\" Arrow format to the \"Random Access\" (IPC/Feather) format, which allows reading arbitrary record batches (explained [here](https://arrow.apache.org/docs/python/ipc.html)). We could then use these batches to construct shards.\r\n\r\n@lhoestq @... | 2023-06-23T14:34:20 | 2024-03-22T15:01:14 | null | NONE | null | null | null | null | ### Feature request
Minimal Example
```
import torch
from datasets import IterableDataset
d = IterableDataset.from_file(<file_name>)
dl = torch.utils.data.dataloader.DataLoader(d,num_workers=3)
for sample in dl:
print(sample)
```
Warning:
Too many dataloader workers: 2 (max is dataset.n_shard... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7554 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7554/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7554/comments | https://api.github.com/repos/huggingface/datasets/issues/7554/events | https://github.com/huggingface/datasets/issues/7554 | 3,043,089,844 | I_kwDODunzps61Yd20 | 7,554 | datasets downloads and generates all splits, even though a single split is requested (for dataset with loading script) | {
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"Hi ! there has been some effort on allowing to download only a subset of splits in https://github.com/huggingface/datasets/pull/6832 but no one has been continuing this work so far. This would be a welcomed contribution though\n\nAlso note that loading script are often unoptimized, and we recommend using datasets ... | 2025-05-06T14:43:38 | 2025-05-07T14:53:45 | 2025-05-07T14:53:44 | NONE | null | null | null | null | ### Describe the bug
`datasets` downloads and generates all splits, even though a single split is requested. [This](https://huggingface.co/datasets/jordiae/exebench) is the dataset in question. It uses a loading script. I am not 100% sure that this is a bug, because maybe with loading scripts `datasets` must actual... | {
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https://api.github.com/repos/huggingface/datasets/issues/6731 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6731/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6731/comments | https://api.github.com/repos/huggingface/datasets/issues/6731/events | https://github.com/huggingface/datasets/issues/6731 | 2,182,844,673 | I_kwDODunzps6CG5EB | 6,731 | Unexpected behavior when using load_dataset with streaming=True in a for loop | {
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"This is normal behavior in python when using `lambda`: the `i` defined in your `lambda` refers to the global variable `i` in your loop, and `i` equals to `1` when you run your `for e in res[0]` line.\r\n\r\nYou should pass `fn_kwargs` that will be passed to your `lambda` instead of using the global variable:\r\n\r... | 2024-03-12T23:26:43 | 2024-04-16T00:00:00 | 2024-04-16T00:00:00 | NONE | null | null | null | null | ### Describe the bug
### My Code
```
from datasets import load_dataset
res=[]
for i in [0,1]:
di=load_dataset(
"json",
data_files='path_to.json',
split='train',
streaming=True,
).map(lambda x: {"source": i})
res.append(di)
for e in res[... | {
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https://api.github.com/repos/huggingface/datasets/issues/6561 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6561/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6561/comments | https://api.github.com/repos/huggingface/datasets/issues/6561/events | https://github.com/huggingface/datasets/issues/6561 | 2,067,404,951 | I_kwDODunzps57OhiX | 6,561 | Document YAML configuration with "data_dir" | {
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"In particular, I would like to have an example of how to replace the following configuration (from https://huggingface.co/docs/hub/datasets-manual-configuration#splits)\r\n\r\n```\r\n---\r\nconfigs:\r\n- config_name: default\r\n data_files:\r\n - split: train\r\n path: \"data/*.csv\"\r\n - split: test\r\n ... | 2024-01-05T14:03:33 | 2025-08-07T14:57:58 | null | COLLABORATOR | null | null | null | null | See https://huggingface.co/datasets/uonlp/CulturaX/discussions/15#6597e83f185db94370d6bf50 for reference | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6987 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6987/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6987/comments | https://api.github.com/repos/huggingface/datasets/issues/6987/events | https://github.com/huggingface/datasets/pull/6987 | 2,363,728,190 | PR_kwDODunzps5zCRH6 | 6,987 | Remove beam | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6987). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-20T07:27:14 | 2024-06-26T19:41:55 | 2024-06-26T19:35:42 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6260 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6260/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6260/comments | https://api.github.com/repos/huggingface/datasets/issues/6260/events | https://github.com/huggingface/datasets/issues/6260 | 1,912,593,466 | I_kwDODunzps5x_9w6 | 6,260 | REUSE_DATASET_IF_EXISTS don't work | {
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"Hi! Unfortunately, the current behavior is to delete the downloaded data when this error happens. So, I've opened a PR that removes the problematic import to avoid losing data due to `apache_beam` not being installed (we host the preprocessed version of `natual_questions` on the HF GCS, so requiring `apache_beam` ... | 2023-09-26T03:02:16 | 2023-09-28T18:23:36 | 2023-09-28T18:23:36 | NONE | null | null | null | null | ### Describe the bug
I use the following code to download natural_question dataset. Even though I have completely download it, the next time I run this code, the new download procedure will start and cover the original /data/lxy/NQ
config=datasets.DownloadConfig(resume_download=True,max_retries=100,cache_dir=r'/da... | {
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https://api.github.com/repos/huggingface/datasets/issues/7808 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7808/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7808/comments | https://api.github.com/repos/huggingface/datasets/issues/7808/events | https://github.com/huggingface/datasets/pull/7808 | 3,499,779,993 | PR_kwDODunzps6s7gBq | 7,808 | release: 4.2.0 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7808). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-09T16:10:53 | 2025-10-09T16:21:01 | 2025-10-09T16:11:08 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6518 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6518/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6518/comments | https://api.github.com/repos/huggingface/datasets/issues/6518/events | https://github.com/huggingface/datasets/pull/6518 | 2,050,137,038 | PR_kwDODunzps5icu-W | 6,518 | fix get_metadata_patterns function args error | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6518). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"hello!\r\n@albertvillanova \r\nThank you very much for your recognition。\r\nWhen can t... | 2023-12-20T09:06:22 | 2023-12-21T15:14:17 | 2023-12-21T15:07:57 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7260 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7260/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7260/comments | https://api.github.com/repos/huggingface/datasets/issues/7260/events | https://github.com/huggingface/datasets/issues/7260 | 2,620,014,285 | I_kwDODunzps6cKj7N | 7,260 | cache can't cleaned or disabled | {
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"Hey I have a similar problem and found a workaround using [temporary directories](https://docs.python.org/3/library/tempfile.html):\r\n\r\n```python\r\nfrom tempfile import TemporaryDirectory\r\n\r\nwith TemporaryDirectory() as cache_dir:\r\n data = load_dataset('json', data_files=save_local_path, split='train'... | 2024-10-29T03:15:28 | 2024-12-11T09:04:52 | null | NONE | null | null | null | null | ### Describe the bug
I tried following ways, the cache can't be disabled.
I got 2T data, but I also got more than 2T cache file. I got pressure on storage. I need to diable cache or cleaned immediately after processed. Following ways are all not working, please give some help!
```python
from datasets import ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6930 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6930/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6930/comments | https://api.github.com/repos/huggingface/datasets/issues/6930/events | https://github.com/huggingface/datasets/issues/6930 | 2,323,225,922 | I_kwDODunzps6KeZ1C | 6,930 | ValueError: Couldn't infer the same data file format for all splits. Got {'train': ('json', {}), 'validation': (None, {})} | {
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"How do you solve it ?\r\n",
"> How do you solve it ?\r\n\r\nPlease check your Python environment and dataset version. I have just resolved the issue, which was caused by a Python environment switching error\r\n"
] | 2024-05-29T12:40:05 | 2024-07-23T06:25:24 | null | NONE | null | null | null | null | ### Describe the bug
When I run the code en = load_dataset("allenai/c4", "en", streaming=True), I encounter an error: raise ValueError(f"Couldn't infer the same data file format for all splits. Got {split_modules}") ValueError: Couldn't infer the same data file format for all splits. Got {'train': ('json', {}), 'valid... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6331 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6331/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6331/comments | https://api.github.com/repos/huggingface/datasets/issues/6331/events | https://github.com/huggingface/datasets/pull/6331 | 1,956,671,256 | PR_kwDODunzps5dgRQt | 6,331 | Temporarily pin fsspec < 2023.10.0 | {
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"_The documentation is not available anymore as the PR was closed or merged._",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | rea... | 2023-10-23T08:51:50 | 2023-10-23T09:26:42 | 2023-10-23T09:17:55 | MEMBER | null | null | false | {
"diff_url": "https://github.com/huggingface/datasets/pull/6331.diff",
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Temporarily pin fsspec < 2023.10.0 until permanent solution is found.
Hot fix #6330.
See: https://github.com/huggingface/datasets/actions/runs/6610904287/job/17953774987
```
...
ERROR tests/test_iterable_dataset.py::test_iterable_dataset_from_file - NotImplementedError: Loading a dataset cached in a LocalFileS... | {
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https://api.github.com/repos/huggingface/datasets/issues/7746 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7746/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7746/comments | https://api.github.com/repos/huggingface/datasets/issues/7746/events | https://github.com/huggingface/datasets/issues/7746 | 3,345,391,211 | I_kwDODunzps7HZp5r | 7,746 | Fix: Canonical 'multi_news' dataset is broken and should be updated to a Parquet version | {
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"@sayakpaul @a-r-r-o-w could you verify this issue then i can contribute to solve this issue!😊"
] | 2025-08-22T12:52:03 | 2025-08-27T20:23:35 | null | NONE | null | null | null | null | Hi,
The canonical `multi_news` dataset is currently broken and fails to load. This is because it points to the [alexfabri/multi_news](https://huggingface.co/datasets/alexfabbri/multi_news) repository, which contains a legacy loading script (`multi_news.py`) that requires the now-removed `trust_remote_code` parameter.... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6239 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6239/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6239/comments | https://api.github.com/repos/huggingface/datasets/issues/6239/events | https://github.com/huggingface/datasets/issues/6239 | 1,895,349,382 | I_kwDODunzps5w-LyG | 6,239 | Load local audio data doesn't work | {
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"I think this is the same issue as https://github.com/huggingface/datasets/issues/4776. Maybe installing `ffmpeg` can fix it:\r\n```python\r\nadd-apt-repository -y ppa:savoury1/ffmpeg4\r\napt-get -qq install -y ffmpeg\r\n```\r\n\r\nHowever, the best solution is to use a newer version of `datasets`. In the recent re... | 2023-09-13T22:30:01 | 2023-09-15T14:32:10 | 2023-09-15T14:32:10 | NONE | null | null | null | null | ### Describe the bug
I get a RuntimeError from the following code:
```python
audio_dataset = Dataset.from_dict({"audio": ["/kaggle/input/bengaliai-speech/train_mp3s/000005f3362c.mp3"]}).cast_column("audio", Audio())
audio_dataset[0]
```
### Traceback
<details>
```python
RuntimeError ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6261 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6261/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6261/comments | https://api.github.com/repos/huggingface/datasets/issues/6261/events | https://github.com/huggingface/datasets/issues/6261 | 1,913,813,178 | I_kwDODunzps5yEni6 | 6,261 | Can't load a dataset | {
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"I believe is due to the fact that doesn't work with .tgz files.",
"`JourneyDB/JourneyDB` is a gated dataset, so this error means you are not authenticated to access it, either by using an invalid token or by not agreeing to the terms in the dialog on the dataset page.\r\n\r\n> I believe is due to the fact that d... | 2023-09-26T15:46:25 | 2023-10-05T10:23:23 | 2023-10-05T10:23:22 | NONE | null | null | null | null | ### Describe the bug
Can't seem to load the JourneyDB dataset.
It throws the following error:
```
---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
Cell In[15], line 2
1 # If the dataset is gated/priv... | {
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https://api.github.com/repos/huggingface/datasets/issues/6777 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6777/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6777/comments | https://api.github.com/repos/huggingface/datasets/issues/6777/events | https://github.com/huggingface/datasets/issues/6777 | 2,224,611,247 | I_kwDODunzps6EmN-v | 6,777 | .Jsonl metadata not detected | {
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"Hi! `metadata.jsonl` (or `metadata.csv`) is the only allowed name for the `imagefolder`'s metadata files.",
"@mariosasko hey i tried with metadata.jsonl also and it still doesn't get the right columns",
"@mariosasko it says metadata.csv not found\r\n<img width=\"1150\" alt=\"image\" src=\"https://github.com/hu... | 2024-04-04T06:31:53 | 2024-04-05T21:14:48 | null | NONE | null | null | null | null | ### Describe the bug
Hi I have the following directory structure:
|--dataset
| |-- images
| |-- metadata1000.csv
| |-- metadata1000.jsonl
| |-- padded_images
Example of metadata1000.jsonl file
{"caption": "a drawing depicts a full shot of a black t-shirt with a triangular pattern on the front there is a white... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6148 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6148/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6148/comments | https://api.github.com/repos/huggingface/datasets/issues/6148/events | https://github.com/huggingface/datasets/pull/6148 | 1,849,524,683 | PR_kwDODunzps5X3oqv | 6,148 | Ignore parallel warning in map_nested | {
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"_The documentation is not available anymore as the PR was closed or merged._",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | rea... | 2023-08-14T10:43:41 | 2023-08-17T08:54:06 | 2023-08-17T08:43:58 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | This warning message was shown every time you pass num_proc to `load_dataset` because of `map_nested`
```
parallel_map is experimental and might be subject to breaking changes in the future
```
This PR removes it for `map_nested`. If someone uses another parallel backend they're already warned when `parallel_ba... | {
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https://api.github.com/repos/huggingface/datasets/issues/7501 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7501/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7501/comments | https://api.github.com/repos/huggingface/datasets/issues/7501/events | https://github.com/huggingface/datasets/issues/7501 | 2,976,721,014 | I_kwDODunzps6xbSh2 | 7,501 | Nested Feature raises ArrowNotImplementedError: Unsupported cast using function cast_struct | {
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"Solved by the default `load_dataset(features)` parameters. Do not use `Sequence` for the `list` in `list[any]` json schema, just simply use `[]`. For example, `\"b\": Sequence({...})` fails but `\"b\": [{...}]` works fine."
] | 2025-04-07T12:35:39 | 2025-04-07T12:43:04 | 2025-04-07T12:43:03 | NONE | null | null | null | null | ### Describe the bug
`datasets.Features` seems to be unable to handle json file that contains fields of `list[dict]`.
### Steps to reproduce the bug
```json
// test.json
{"a": 1, "b": [{"c": 2, "d": 3}, {"c": 4, "d": 5}]}
{"a": 5, "b": [{"c": 7, "d": 8}, {"c": 9, "d": 10}]}
```
```python
import json
from datasets i... | {
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https://api.github.com/repos/huggingface/datasets/issues/7405 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7405/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7405/comments | https://api.github.com/repos/huggingface/datasets/issues/7405/events | https://github.com/huggingface/datasets/issues/7405 | 2,856,372,814 | I_kwDODunzps6qQMpO | 7,405 | Lazy loading of environment variables | {
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"Many python packages out there, including `huggingface_hub`, do load the environment variables on import.\nYou should `load_dotenv()` before importing the libraries.\n\nFor example you can move all you imports inside your `main()` function"
] | 2025-02-16T22:31:41 | 2025-02-17T15:17:18 | null | NONE | null | null | null | null | ### Describe the bug
Loading a `.env` file after an `import datasets` call does not correctly use the environment variables.
This is due the fact that environment variables are read at import time:
https://github.com/huggingface/datasets/blob/de062f0552a810c52077543c1169c38c1f0c53fc/src/datasets/config.py#L155C1-L15... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7802 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7802/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7802/comments | https://api.github.com/repos/huggingface/datasets/issues/7802/events | https://github.com/huggingface/datasets/issues/7802 | 3,497,454,119 | I_kwDODunzps7Qduon | 7,802 | [Docs] Missing documentation for `Dataset.from_dict` | {
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"I'd like to work on this documentation issue.",
"Hi I'd like to work on this. I can see the docstring is already in the code. \nCould you confirm:\n1. Is this still available?\n2. Should I add this to the main_classes.md file, or is there a specific \n documentation file I should update?\n3. Are there any form... | 2025-10-09T02:54:41 | 2025-10-19T16:09:33 | null | NONE | null | null | null | null | Documentation link: https://huggingface.co/docs/datasets/en/package_reference/main_classes
Link to method (docstring present): https://github.com/huggingface/datasets/blob/6f2502c5a026caa89839713f6f7c8b958e5e83eb/src/datasets/arrow_dataset.py#L1029
The docstring is present for the function, but seems missing from the... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6316 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6316/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6316/comments | https://api.github.com/repos/huggingface/datasets/issues/6316/events | https://github.com/huggingface/datasets/pull/6316 | 1,951,819,869 | PR_kwDODunzps5dQGpg | 6,316 | Fix loading Hub datasets with CSV metadata file | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-10-19T10:21:34 | 2023-10-20T06:23:21 | 2023-10-20T06:14:09 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Currently, the reading of the metadata file infers the file extension (.jsonl or .csv) from the passed filename. However, downloaded files from the Hub don't have file extension. For example:
- the original file: `hf://datasets/__DUMMY_TRANSFORMERS_USER__/test-dataset-5916a4-16977085077831/metadata.jsonl`
- correspon... | {
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https://api.github.com/repos/huggingface/datasets/issues/5923 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5923/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5923/comments | https://api.github.com/repos/huggingface/datasets/issues/5923/events | https://github.com/huggingface/datasets/issues/5923 | 1,737,436,227 | I_kwDODunzps5njyxD | 5,923 | Cannot import datasets - ValueError: pyarrow.lib.IpcWriteOptions size changed, may indicate binary incompatibility | {
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"Based on https://github.com/rapidsai/cudf/issues/10187, this probably means your `pyarrow` installation is not compatible with `datasets`.\r\n\r\nCan you please execute the following commands in the terminal and paste the output here?\r\n```\r\nconda list | grep arrow\r\n``` \r\n```\r\npython -c \"import pyarrow; ... | 2023-06-02T04:16:32 | 2024-06-27T10:07:49 | 2024-02-25T16:38:03 | NONE | null | null | null | null | ### Describe the bug
When trying to import datasets, I get a pyarrow ValueError:
Traceback (most recent call last):
File "/Users/edward/test/test.py", line 1, in <module>
import datasets
File "/Users/edward/opt/anaconda3/envs/cs235/lib/python3.9/site-packages/datasets/__init__.py", line 43, in <module>... | {
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https://api.github.com/repos/huggingface/datasets/issues/6107 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6107/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6107/comments | https://api.github.com/repos/huggingface/datasets/issues/6107/events | https://github.com/huggingface/datasets/pull/6107 | 1,829,625,320 | PR_kwDODunzps5W0rLR | 6,107 | Fix deprecation of use_auth_token in file_utils | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-07-31T16:32:01 | 2023-08-03T10:13:32 | 2023-08-03T10:04:18 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Fix issues with the deprecation of `use_auth_token` introduced by:
- #5996
in functions:
- `get_authentication_headers_for_url`
- `request_etag`
- `get_from_cache`
Currently, `TypeError` is raised: https://github.com/huggingface/datasets-server/actions/runs/5711650666/job/15484685570?pr=1588
```
FAILED tes... | {
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https://api.github.com/repos/huggingface/datasets/issues/6162 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6162/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6162/comments | https://api.github.com/repos/huggingface/datasets/issues/6162/events | https://github.com/huggingface/datasets/issues/6162 | 1,856,198,342 | I_kwDODunzps5uo1bG | 6,162 | load_dataset('json',...) from togethercomputer/RedPajama-Data-1T errors when jsonl rows contains different data fields | {
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"Hi ! Feel free to open a discussion at https://huggingface.co/datasets/togethercomputer/RedPajama-Data-1T/discussions to ask the file to be fixed (or directly open a PR with the fixed file)\r\n\r\n`datasets` expects all the examples to have the same fields",
"@lhoestq I think the problem is caused by the fact th... | 2023-08-18T07:19:39 | 2023-08-18T17:00:35 | null | NONE | null | null | null | null | ### Describe the bug
When loading some jsonl from redpajama-data-1T github source [togethercomputer/RedPajama-Data-1T](https://huggingface.co/datasets/togethercomputer/RedPajama-Data-1T) fails due to one row of the file containing an extra field called **symlink_target: string>**.
When deleting that line the loading... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/5892 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5892/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5892/comments | https://api.github.com/repos/huggingface/datasets/issues/5892/events | https://github.com/huggingface/datasets/issues/5892 | 1,722,503,824 | I_kwDODunzps5mq1KQ | 5,892 | User access requests with manual review do not notify the dataset owner | {
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"cc @SBrandeis",
"I think this has been addressed.\r\n\r\nPlease open a new issue if you are still not getting notified."
] | 2023-05-23T17:27:46 | 2023-07-21T13:55:37 | 2023-07-21T13:55:36 | CONTRIBUTOR | null | null | null | null | ### Describe the bug
When a user access requests are enabled, and new requests are set to Manual Review, the dataset owner should be notified of the pending requests. However, instead, currently nothing happens, and so the dataset request can go unanswered for quite some time until the owner happens to check that part... | {
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https://api.github.com/repos/huggingface/datasets/issues/7387 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7387/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7387/comments | https://api.github.com/repos/huggingface/datasets/issues/7387/events | https://github.com/huggingface/datasets/issues/7387 | 2,841,228,048 | I_kwDODunzps6pWbMQ | 7,387 | Dynamic adjusting dataloader sampling weight | {
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"You mean based on a condition that has to be checked on-the-fly during training ? Otherwise if you know in advance after how many samples you need to change the sampling you can simply concatenate the two mixes",
"Yes, like during training, if one data sample's prediction is consistently wrong, its sampling weig... | 2025-02-10T03:18:47 | 2025-03-07T14:06:54 | null | NONE | null | null | null | null | Hi,
Thanks for your wonderful work! I'm wondering is there a way to dynamically adjust the sampling weight of each data in the dataset during training? Looking forward to your reply, thanks again. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/5950 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5950/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5950/comments | https://api.github.com/repos/huggingface/datasets/issues/5950/events | https://github.com/huggingface/datasets/issues/5950 | 1,755,197,946 | I_kwDODunzps5onjH6 | 5,950 | Support for data with instance-wise dictionary as features | {
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"Hi ! We use the Arrow columnar format under the hood, which doesn't support such dictionaries: each field must have a fixed type and exist in each sample.\r\n\r\nInstead you can restructure your data like\r\n```\r\n{\r\n \"index\": 0,\r\n \"keys\": [\"2 * x + y >= 3\"],\r\n \"values\": [[\"2 * x + y >= 3\... | 2023-06-13T15:49:00 | 2025-04-07T13:20:37 | null | NONE | null | null | null | null | ### Feature request
I notice that when loading data instances with feature type of python dictionary, the dictionary keys would be broadcast so that every instance has the same set of keys. Please see an example in the Motivation section.
It is possible to avoid this behavior, i.e., load dictionary features as it i... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7098 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7098/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7098/comments | https://api.github.com/repos/huggingface/datasets/issues/7098/events | https://github.com/huggingface/datasets/pull/7098 | 2,465,016,562 | PR_kwDODunzps54UPMS | 7,098 | Release: 2.21.0 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7098). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-08-14T06:35:13 | 2024-08-14T06:41:07 | 2024-08-14T06:41:06 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7103 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7103/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7103/comments | https://api.github.com/repos/huggingface/datasets/issues/7103/events | https://github.com/huggingface/datasets/pull/7103 | 2,467,664,581 | PR_kwDODunzps54clrp | 7,103 | Fix args of feature docstrings | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7103). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-08-15T08:46:08 | 2024-08-16T09:18:29 | 2024-08-15T10:33:30 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fix Args section of feature docstrings.
Currently, some args do not appear in the docs because they are not properly parsed due to the lack of their type (between parentheses). | {
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https://api.github.com/repos/huggingface/datasets/issues/7224 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7224/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7224/comments | https://api.github.com/repos/huggingface/datasets/issues/7224/events | https://github.com/huggingface/datasets/pull/7224 | 2,583,233,980 | PR_kwDODunzps5-bLNR | 7,224 | fallback to default feature casting in case custom features not available during dataset loading | {
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} | a fix for #7223 in case datasets is happy to support this kind of extensibility! seems cool / powerful for allowing sharing of datasets with potentially different feature types | null | {
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https://api.github.com/repos/huggingface/datasets/issues/5961 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5961/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5961/comments | https://api.github.com/repos/huggingface/datasets/issues/5961/events | https://github.com/huggingface/datasets/issues/5961 | 1,758,525,111 | I_kwDODunzps5o0Pa3 | 5,961 | IterableDataset: split by node and map may preprocess samples that will be skipped anyway | {
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"Does \"number of shards\" refer to the total number of data?\r\n\r\nmy config:\r\nnproc_per_node=2\r\nds=ds['train'] = load_dataset(streaming=True).take(50000)\r\n\r\nI'm test again: in prepare_data(), data have the same for each GPU\r\n",
"The number of shards is `ds.n_shards`. It corresponds generally to the ... | 2023-06-15T10:29:10 | 2023-09-01T10:35:11 | null | NONE | null | null | null | null | There are two ways an iterable dataset can be split by node:
1. if the number of shards is a factor of number of GPUs: in that case the shards are evenly distributed per GPU
2. otherwise, each GPU iterate on the data and at the end keeps 1 sample out of n(GPUs) - skipping the others.
In case 2. it's ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6925 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6925/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6925/comments | https://api.github.com/repos/huggingface/datasets/issues/6925/events | https://github.com/huggingface/datasets/pull/6925 | 2,321,084,967 | PR_kwDODunzps5wxDRE | 6,925 | Fix NonMatchingSplitsSizesError/ExpectedMoreSplits when passing data_dir/data_files in no-code Hub datasets | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6925). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Do you think this is worth making a patch release for?\r\nCC: @huggingface/datasets",
... | 2024-05-28T13:33:38 | 2024-11-07T20:41:58 | 2024-05-31T17:10:37 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Fix `NonMatchingSplitsSizesError` or `ExpectedMoreSplits` error for no-code Hub datasets if the user passes:
- `data_dir`
- `data_files`
The proposed solution is to avoid using exported dataset info (from Parquet exports) in these cases.
Additionally, also if the user passes `revision` other than "main" (so that ... | {
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https://api.github.com/repos/huggingface/datasets/issues/7432 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7432/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7432/comments | https://api.github.com/repos/huggingface/datasets/issues/7432/events | https://github.com/huggingface/datasets/pull/7432 | 2,887,717,289 | PR_kwDODunzps6M-DI0 | 7,432 | Fix type annotation | {
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"Thanks ! There is https://github.com/huggingface/datasets/pull/7426 already that fixes the issue, I'm closing your PR if you don't mind"
] | 2025-02-28T17:28:20 | 2025-03-04T15:53:03 | 2025-03-04T15:53:03 | CONTRIBUTOR | null | null | false | {
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