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https://api.github.com/repos/huggingface/datasets/issues/7065 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7065/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7065/comments | https://api.github.com/repos/huggingface/datasets/issues/7065/events | https://github.com/huggingface/datasets/issues/7065 | 2,424,734,953 | I_kwDODunzps6QhoTp | 7,065 | Cannot get item after loading from disk and then converting to iterable. | {
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"gist... | [] | open | false | null | [] | null | [] | 2024-07-23T09:37:56 | 2024-07-23T09:37:56 | null | NONE | null | null | null | null | ### Describe the bug
The dataset generated from local file works fine.
```py
root = "/home/data/train"
file_list1 = glob(os.path.join(root, "*part1.flac"))
file_list2 = glob(os.path.join(root, "*part2.flac"))
ds = (
Dataset.from_dict({"part1": file_list1, "part2": file_list2})
.cast_column("part1", Au... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6880 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6880/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6880/comments | https://api.github.com/repos/huggingface/datasets/issues/6880/events | https://github.com/huggingface/datasets/issues/6880 | 2,283,278,337 | I_kwDODunzps6IGBAB | 6,880 | Webdataset: KeyError: 'png' on some datasets when streaming | {
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"The error is caused by malformed basenames of the files within the TARs:\r\n- `15_Cohen_1-s2.0-S0929664620300449-gr3_lrg-b.png` becomes `15_Cohen_1-s2` as the grouping `__key__`, and `0-S0929664620300449-gr3_lrg-b.png` as the additional key to be added to the example\r\n- whereas the intended behavior was to use `... | 2024-05-07T13:09:02 | 2024-05-14T20:34:05 | null | MEMBER | null | null | null | null | reported at https://huggingface.co/datasets/tbone5563/tar_images/discussions/1
```python
>>> from datasets import load_dataset
>>> ds = load_dataset("tbone5563/tar_images")
Downloading data: 100%
1.41G/1.41G [00:48<00:00, 17.2MB/s]
Downloading data: 100%
619M/619M [00:11<00:00, 57.4MB/s]
Generating train sp... | {
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https://api.github.com/repos/huggingface/datasets/issues/7505 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7505/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7505/comments | https://api.github.com/repos/huggingface/datasets/issues/7505/events | https://github.com/huggingface/datasets/issues/7505 | 2,979,926,156 | I_kwDODunzps6xnhCM | 7,505 | HfHubHTTPError: 403 Forbidden: None. Cannot access content at: https://hf.co/api/s3proxy | {
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from transformers import WhisperProcessor, WhisperForConditionalGeneration, WhisperTokenizer, Trainer, TrainingArguments, DataCollatorForSeq2Seq
from datasets import load_dataset, Data... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6836 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6836/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6836/comments | https://api.github.com/repos/huggingface/datasets/issues/6836/events | https://github.com/huggingface/datasets/issues/6836 | 2,262,249,919 | I_kwDODunzps6G1zG_ | 6,836 | ExpectedMoreSplits error on load_dataset when upgrading to 2.19.0 | {
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"Get same error on same datasets too.",
"+1",
"same error"
] | 2024-04-24T21:52:35 | 2024-05-14T04:08:19 | null | NONE | null | null | null | null | ### Describe the bug
Hi there, thanks for the great library! We have been using it a lot in torchtune and it's been a huge help for us.
Regarding the bug: the same call to `load_dataset` errors with `ExpectedMoreSplits` in 2.19.0 after working fine in 2.18.0. Full details given in the repro below.
### Steps to re... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7286 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7286/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7286/comments | https://api.github.com/repos/huggingface/datasets/issues/7286/events | https://github.com/huggingface/datasets/issues/7286 | 2,645,350,151 | I_kwDODunzps6drNcH | 7,286 | Concurrent loading in `load_from_disk` - `num_proc` as a param | {
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] | closed | false | null | [] | null | [] | 2024-11-08T23:21:40 | 2024-11-09T16:14:37 | 2024-11-09T16:14:37 | NONE | null | null | null | null | ### Feature request
https://github.com/huggingface/datasets/pull/6464 mentions a `num_proc` param while loading dataset from disk, but can't find that in the documentation and code anywhere
### Motivation
Make loading large datasets from disk faster
### Your contribution
Happy to contribute if given pointers | {
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https://api.github.com/repos/huggingface/datasets/issues/7264 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7264/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7264/comments | https://api.github.com/repos/huggingface/datasets/issues/7264/events | https://github.com/huggingface/datasets/pull/7264 | 2,624,047,640 | PR_kwDODunzps6AYfwL | 7,264 | fix docs relative links | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7264). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-10-30T13:07:34 | 2024-10-30T13:10:13 | 2024-10-30T13:09:02 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7636 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7636/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7636/comments | https://api.github.com/repos/huggingface/datasets/issues/7636/events | https://github.com/huggingface/datasets/issues/7636 | 3,170,878,167 | I_kwDODunzps68_8LX | 7,636 | "open" in globals()["__builtins__"], an error occurs: "TypeError: argument of type 'module' is not iterable" | {
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"@kuanyan9527 Your query is indeed valid. Following could be its reasoning:\n\nQuoting from https://stackoverflow.com/a/11181607:\n\"By default, when in the `__main__` module,` __builtins__` is the built-in module `__builtin__` (note: no 's'); when in any other module, `__builtins__` is an alias for the dictionary ... | 2025-06-24T08:09:39 | 2025-07-10T04:13:16 | null | NONE | null | null | null | null | When I run the following code, an error occurs: "TypeError: argument of type 'module' is not iterable"
```python
print("open" in globals()["__builtins__"])
```
Traceback (most recent call last):
File "./main.py", line 2, in <module>
print("open" in globals()["__builtins__"])
^^^^^^^^^^^^^^^^^^^^^^
TypeE... | {
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https://api.github.com/repos/huggingface/datasets/issues/7470 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7470/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7470/comments | https://api.github.com/repos/huggingface/datasets/issues/7470/events | https://github.com/huggingface/datasets/issues/7470 | 2,937,236,323 | I_kwDODunzps6vEqtj | 7,470 | Is it possible to shard a single-sharded IterableDataset? | {
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"Hi ! Maybe you can look for an option in your dataset to partition your data based on a deterministic filter ? For example each worker could stream the data based on `row.id % num_shards` or something like that ?",
"So the recommendation is to start out with multiple shards initially and re-sharding after is not... | 2025-03-21T04:33:37 | 2025-05-09T22:51:46 | 2025-03-26T06:49:28 | NONE | null | null | null | null | I thought https://github.com/huggingface/datasets/pull/7252 might be applicable but looking at it maybe not.
Say we have a process, eg. a database query, that can return data in slightly different order each time. So, the initial query needs to be run by a single thread (not to mention running multiple times incurs mo... | {
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https://api.github.com/repos/huggingface/datasets/issues/7243 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7243/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7243/comments | https://api.github.com/repos/huggingface/datasets/issues/7243/events | https://github.com/huggingface/datasets/issues/7243 | 2,602,853,172 | I_kwDODunzps6bJGM0 | 7,243 | ArrayXD with None as leading dim incompatible with DatasetCardData | {
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"It looks like `CardData` in `huggingface_hub` removes None values where it shouldn't. Indeed it calls `_remove_none` on the return of `to_dict()`:\r\n\r\n```python\r\n def to_dict(self) -> Dict[str, Any]:\r\n \"\"\"Converts CardData to a dict.\r\n\r\n Returns:\r\n `dict`: CardData repre... | 2024-10-21T15:08:13 | 2024-10-22T14:18:10 | null | CONTRIBUTOR | null | null | null | null | ### Describe the bug
Creating a dataset with ArrayXD features leads to errors when downloading from hub due to DatasetCardData removing the Nones
@lhoestq
### Steps to reproduce the bug
```python
import numpy as np
from datasets import Array2D, Dataset, Features, load_dataset
def examples_generator():... | null | {
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"Hi ! The \"allenai--c4\" config doesn't exist (this naming schema comes from old versions of `datasets`)\r\n\r\nYou can load it this way instead:\r\n\r\n```python\r\nfrom datasets import load_dataset\r\ncache_dir = 'path/to/your/cache/directory'\r\ndataset = load_dataset('allenai/c4', data_files={'train': 'en/c4-t... | 2024-01-04T07:04:48 | 2024-04-03T10:40:53 | 2024-01-05T01:26:25 | NONE | null | null | null | null | ### Describe the bug
python script is:
```
from datasets import load_dataset
cache_dir = 'path/to/your/cache/directory'
dataset = load_dataset('allenai/c4','allenai--c4', data_files={'train': 'en/c4-train.00000-of-01024.json.gz'}, split='train', use_auth_token=False, cache_dir=cache_dir)
```
the script su... | {
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https://api.github.com/repos/huggingface/datasets/issues/7092 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7092/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7092/comments | https://api.github.com/repos/huggingface/datasets/issues/7092/events | https://github.com/huggingface/datasets/issues/7092 | 2,451,393,658 | I_kwDODunzps6SHUx6 | 7,092 | load_dataset with multiple jsonlines files interprets datastructure too early | {
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"I’ll take a look",
"Possible definitions of done for this issue:\r\n\r\n1. A fix so you can load your dataset specifically\r\n2. A general fix for datasets similar to this in the `datasets` library\r\n\r\nOption 1 is trivial. I think option 2 requires significant changes to the library.\r\n\r\nSince you outlined... | 2024-08-06T17:42:55 | 2024-08-08T16:35:01 | null | NONE | null | null | null | null | ### Describe the bug
likely related to #6460
using `datasets.load_dataset("json", data_dir= ... )` with multiple `.jsonl` files will error if one of the files (maybe the first file?) contains a full column of empty data.
### Steps to reproduce the bug
real world example:
data is available in this [PR-bra... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6167 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6167/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6167/comments | https://api.github.com/repos/huggingface/datasets/issues/6167/events | https://github.com/huggingface/datasets/pull/6167 | 1,861,474,327 | PR_kwDODunzps5Yf9-t | 6,167 | Allow hyphen in split name | {
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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... | 2023-08-22T13:30:59 | 2024-01-11T06:31:31 | 2023-08-22T15:38:53 | COLLABORATOR | null | null | false | {
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} | To fix https://discuss.huggingface.co/t/error-when-setting-up-the-dataset-viewer-streamingrowserror/51276.
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https://api.github.com/repos/huggingface/datasets/issues/6800 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6800/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6800/comments | https://api.github.com/repos/huggingface/datasets/issues/6800/events | https://github.com/huggingface/datasets/issues/6800 | 2,236,431,288 | I_kwDODunzps6FTTu4 | 6,800 | High overhead when loading lots of subsets from the same dataset | {
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"Hi !\r\n\r\nIt's possible to multiple files at once:\r\n\r\n```python\r\ndata_files = \"data/*.jsonl\"\r\n# Or pass a list of files\r\nlangs = ['ka-ml', 'br-sr', 'ka-pt', 'id-ko', ..., 'fi-ze_zh', 'he-kk', 'ka-tr']\r\ndata_files = [f\"data/{lang}.jsonl\" for lang in langs]\r\nds = load_dataset(\"loicmagne/open-sub... | 2024-04-10T21:08:57 | 2024-04-24T13:48:05 | null | NONE | null | null | null | null | ### Describe the bug
I have a multilingual dataset that contains a lot of subsets. Each subset corresponds to a pair of languages, you can see here an example with 250 subsets: [https://hf.co/datasets/loicmagne/open-subtitles-250-bitext-mining](). As part of the MTEB benchmark, we may need to load all the subsets of t... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6328 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6328/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6328/comments | https://api.github.com/repos/huggingface/datasets/issues/6328/events | https://github.com/huggingface/datasets/issues/6328 | 1,955,857,904 | I_kwDODunzps50lAXw | 6,328 | شبکه های متن به گفتار ابتدا متن داده شده را به بازنمایی میانی | {
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"شبکه های متن به گفتار ابتدا متن داده شده را به بازنمایی میانی"
] | 2023-10-22T11:07:21 | 2023-10-23T09:22:38 | 2023-10-23T09:22:38 | NONE | null | null | null | null | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7345 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7345/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7345/comments | https://api.github.com/repos/huggingface/datasets/issues/7345/events | https://github.com/huggingface/datasets/issues/7345 | 2,758,585,709 | I_kwDODunzps6kbK1t | 7,345 | Different behaviour of IterableDataset.map vs Dataset.map with remove_columns | {
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"Good catch ! Do you think you can open a PR to fix this issue ?"
] | 2024-12-25T07:36:48 | 2025-01-07T11:56:42 | 2025-01-07T11:56:42 | CONTRIBUTOR | null | null | null | null | ### Describe the bug
The following code
```python
import datasets as hf
ds1 = hf.Dataset.from_list([{'i': i} for i in [0,1]])
#ds1 = ds1.to_iterable_dataset()
ds2 = ds1.map(
lambda i: {'i': i+1},
input_columns = ['i'],
remove_columns = ['i']
)
list(ds2)
```
produces
```python
[{'i': ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6217 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6217/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6217/comments | https://api.github.com/repos/huggingface/datasets/issues/6217/events | https://github.com/huggingface/datasets/issues/6217 | 1,883,614,607 | I_kwDODunzps5wRa2P | 6,217 | `Dataset.to_dict()` ignore `decode=True` with Image feature | {
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"We need to implement the `Image` type as a PyArrow extension type (to allow us to override the Python conversion) for this to work as expected. For now, it's best to use your approach indeed."
] | 2023-09-06T09:26:16 | 2023-09-08T17:08:52 | null | MEMBER | null | null | null | null | ### Describe the bug
`Dataset.to_dict` seems to ignore the decoding instruction passed in features.
### Steps to reproduce the bug
```python
import datasets
import numpy as np
from PIL import Image
img = np.random.randint(0, 256, (5, 5, 3), dtype=np.uint8)
img = Image.fromarray(img)
features = datasets.Fea... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6827 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6827/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6827/comments | https://api.github.com/repos/huggingface/datasets/issues/6827/events | https://github.com/huggingface/datasets/issues/6827 | 2,254,011,833 | I_kwDODunzps6GWX25 | 6,827 | Loading a remote dataset fails in the last release (v2.19.0) | {
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I am loading the dataset like so, nothing out of the ordinary.
This dataset needs a token to access it.
```
token="hf_myhftoken-sdhbdsjgkhbd"
load_dataset("speechcolab/gigaspeech", "test", cache_dir=f"gigaspeech/test... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7613 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7613/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7613/comments | https://api.github.com/repos/huggingface/datasets/issues/7613/events | https://github.com/huggingface/datasets/pull/7613 | 3,142,819,991 | PR_kwDODunzps6aWgr3 | 7,613 | fix parallel push_to_hub in dataset_dict | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7613). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-06-13T09:02:24 | 2025-06-13T12:30:23 | 2025-06-13T12:30:22 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7313 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7313/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7313/comments | https://api.github.com/repos/huggingface/datasets/issues/7313/events | https://github.com/huggingface/datasets/issues/7313 | 2,726,240,634 | I_kwDODunzps6ifyF6 | 7,313 | Cannot create a dataset with relative audio path | {
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"Hello ! when you `cast_column` you need the paths to be absolute paths or relative paths to your working directory, not the original dataset directory.\r\n\r\nThough I'd recommend structuring your dataset as an AudioFolder which automatically links a metadata.jsonl or csv to the audio files via relative paths **wi... | 2024-12-09T07:34:20 | 2025-04-19T07:13:08 | null | NONE | null | null | null | null | ### Describe the bug
Hello! I want to create a dataset of parquet files, with audios stored as separate .mp3 files. However, it says "No such file or directory" (see the reproducing code).
### Steps to reproduce the bug
Creating a dataset
```
from pathlib import Path
from datasets import Dataset, load_datas... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6866 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6866/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6866/comments | https://api.github.com/repos/huggingface/datasets/issues/6866/events | https://github.com/huggingface/datasets/issues/6866 | 2,278,736,221 | I_kwDODunzps6H0sFd | 6,866 | DataFilesNotFoundError for datasets in the open-llm-leaderboard | {
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"Potentially related:\r\n* #6864\r\n* #6850\r\n* #6848\r\n* #6819",
"Hi @jerome-white, thnaks for reporting.\r\n\r\nHowever, I cannot reproduce your issue:\r\n```python\r\n>>> from datasets import get_dataset_config_names\r\n\r\n>>> get_dataset_config_names(\"open-llm-leaderboard/details_davidkim205__Rhea-72b-v0.... | 2024-05-04T04:59:00 | 2024-05-14T08:09:56 | 2024-05-14T08:09:56 | NONE | null | null | null | null | ### Describe the bug
When trying to get config names or load any dataset within the open-llm-leaderboard ecosystem (`open-llm-leaderboard/details_`) I receive the DataFilesNotFoundError. For the last month or so I've been loading datasets from the leaderboard almost everyday; yesterday was the first time I started see... | {
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https://api.github.com/repos/huggingface/datasets/issues/6072 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6072/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6072/comments | https://api.github.com/repos/huggingface/datasets/issues/6072/events | https://github.com/huggingface/datasets/pull/6072 | 1,822,123,560 | PR_kwDODunzps5WbWFN | 6,072 | Fix fsspec storage_options from load_dataset | {
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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... | 2023-07-26T10:44:23 | 2023-07-27T12:51:51 | 2023-07-27T12:42:57 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | close https://github.com/huggingface/datasets/issues/6071 | {
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https://api.github.com/repos/huggingface/datasets/issues/7814 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7814/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7814/comments | https://api.github.com/repos/huggingface/datasets/issues/7814/events | https://github.com/huggingface/datasets/pull/7814 | 3,510,488,792 | PR_kwDODunzps6tfJCm | 7,814 | Allow streaming hdf5 files | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7814). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-13T15:25:44 | 2025-10-13T15:28:51 | 2025-10-13T15:28:49 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Add streaming support after https://github.com/huggingface/datasets/pull/7690, cc @klamike :)
## Details
in `datasets` loaders, `open()` is extended to work with files that are on disk but also on HF. Files on HF are streamed using HTTP range requests using the `HfFileSystem` implementation in the `huggingface_hu... | {
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https://api.github.com/repos/huggingface/datasets/issues/6140 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6140/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6140/comments | https://api.github.com/repos/huggingface/datasets/issues/6140/events | https://github.com/huggingface/datasets/issues/6140 | 1,845,384,712 | I_kwDODunzps5t_lYI | 6,140 | Misalignment between file format specified in configs metadata YAML and the inferred builder | {
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] | closed | false | null | [] | null | [] | 2023-08-10T15:07:34 | 2023-08-17T20:37:20 | 2023-08-17T20:37:20 | MEMBER | null | null | null | null | There is a misalignment between the format of the `data_files` specified in the configs metadata YAML (CSV):
```yaml
configs:
- config_name: default
data_files:
- split: train
path: data.csv
```
and the inferred builder (JSON). Note there are multiple JSON files in the repo, but they do not... | {
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https://api.github.com/repos/huggingface/datasets/issues/6829 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6829/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6829/comments | https://api.github.com/repos/huggingface/datasets/issues/6829/events | https://github.com/huggingface/datasets/issues/6829 | 2,258,424,577 | I_kwDODunzps6GnNMB | 6,829 | Load and save from/to disk no longer accept pathlib.Path | {
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> This change is breaking in
> https://github.com/huggingface/datasets/blob/f96e74d5c633cd5435dd526adb4a74631eb05c43/src/datasets/arrow_dataset.py#L1515
> when the input is `pathlib.Path`. The issue is that `url_to... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6535 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6535/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6535/comments | https://api.github.com/repos/huggingface/datasets/issues/6535/events | https://github.com/huggingface/datasets/issues/6535 | 2,056,264,339 | I_kwDODunzps56kBqT | 6,535 | IndexError: Invalid key: 47682 is out of bounds for size 0 while using PEFT | {
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"@sabman @pvl @kashif @vigsterkr ",
"This is surely the same issue as https://discuss.huggingface.co/t/indexerror-invalid-key-16-is-out-of-bounds-for-size-0/14298/25 that comes from the `transformers` `Trainer`. You should add `remove_unused_columns=False` to `TrainingArguments`\r\n\r\nAlso check your logs: the `... | 2023-12-26T10:14:33 | 2024-02-05T08:42:31 | null | NONE | null | null | null | null | ### Describe the bug
I am trying to fine-tune the t5 model on the paraphrasing task. While running the same code without-
model = get_peft_model(model, config)
the model trains without any issues. However, using the model returned from get_peft_model raises the following error due to datasets-
IndexError: Inv... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7804 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7804/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7804/comments | https://api.github.com/repos/huggingface/datasets/issues/7804/events | https://github.com/huggingface/datasets/issues/7804 | 3,498,534,596 | I_kwDODunzps7Qh2bE | 7,804 | Support scientific data formats | {
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"Please add the support for `Zarr`! That's what we use in the Bioimaging community. It is crucial, because raw upload of a *single* bio image can take _terrabytes in memory_!\n\nThe python library would be `bioio` or `zarr`:\n- [ ] Zarr: `bioio` or `zarr`\n\nSee a [Zarr example](https://ome.github.io/ome-ngff-valid... | 2025-10-09T10:18:24 | 2025-10-31T14:41:29 | null | MEMBER | null | null | null | null | List of formats and libraries we can use to load the data in `datasets`:
- [ ] DICOMs: pydicom
- [x] NIfTIs: nibabel
- [ ] WFDB: wfdb
cc @zaRizk7 for viz
Feel free to comment / suggest other formats and libs you'd like to see or to share your interest in one of the mentioned format | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6077 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6077/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6077/comments | https://api.github.com/repos/huggingface/datasets/issues/6077/events | https://github.com/huggingface/datasets/issues/6077 | 1,822,486,810 | I_kwDODunzps5soPEa | 6,077 | Mapping gets stuck at 99% | {
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"The `MAX_MAP_BATCH_SIZE = 1_000_000_000` hack is bad as it loads the entire dataset into RAM when performing `.map`. Instead, it's best to use `.iter(batch_size)` to iterate over the data batches and compute `mean` for each column. (`stddev` can be computed in another pass).\r\n\r\nAlso, these arrays are big, so i... | 2023-07-26T14:00:40 | 2024-07-22T12:28:06 | null | CONTRIBUTOR | null | null | null | null | ### Describe the bug
Hi !
I'm currently working with a large (~150GB) unnormalized dataset at work.
The dataset is available on a read-only filesystem internally, and I use a [loading script](https://huggingface.co/docs/datasets/dataset_script) to retreive it.
I want to normalize the features of the dataset, ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7733 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7733/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7733/comments | https://api.github.com/repos/huggingface/datasets/issues/7733/events | https://github.com/huggingface/datasets/issues/7733 | 3,304,979,299 | I_kwDODunzps7E_ftj | 7,733 | Dataset Repo Paths to Locally Stored Images Not Being Appended to Image Path | {
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"This is the download issues I come into, about ever other time it fails...\n<img width=\"1719\" height=\"1226\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/2e5b4b3e-7c13-4bad-a77c-34b47a932831\" />",
"I’m guessing this is just a feature so I’m going to close this thread. I also altered my load... | 2025-08-08T19:10:58 | 2025-10-07T04:47:36 | 2025-10-07T04:32:48 | NONE | null | null | null | null | ### Describe the bug
I’m not sure if this is a bug or a feature and I just don’t fully understand how dataset loading is to work, but it appears there may be a bug with how locally stored Image() are being accessed. I’ve uploaded a new dataset to hugging face (rmdig/rocky_mountain_snowpack) but I’ve come into a ton of... | {
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https://api.github.com/repos/huggingface/datasets/issues/6267 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6267/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6267/comments | https://api.github.com/repos/huggingface/datasets/issues/6267/events | https://github.com/huggingface/datasets/issues/6267 | 1,916,443,262 | I_kwDODunzps5yOpp- | 6,267 | Multi label class encoding | {
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"You can use a `Sequence(ClassLabel(...))` feature type to represent a list of labels, and `cast_column`/`cast` to perform the \"string to label\" conversion (`class_encode_column` does support nested fields), e.g., in your case:\r\n```python\r\nfrom datasets import Dataset, Sequence, ClassLabel\r\ndata = {\r\n ... | 2023-09-27T22:48:08 | 2023-10-26T18:46:08 | null | NONE | null | null | null | null | ### Feature request
I have a multi label dataset and I'd like to be able to class encode the column and store the mapping directly in the features just as I can with a single label column. `class_encode_column` currently does not support multi labels.
Here's an example of what I'd like to encode:
```
data = {
... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6485 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6485/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6485/comments | https://api.github.com/repos/huggingface/datasets/issues/6485/events | https://github.com/huggingface/datasets/issues/6485 | 2,035,141,884 | I_kwDODunzps55Tcz8 | 6,485 | FileNotFoundError: [Errno 2] No such file or directory: 'nul' | {
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"Hi! It seems like the problem is your environment. Maybe this issue can help: https://github.com/pytest-dev/pytest/issues/9519. "
] | 2023-12-11T08:52:13 | 2023-12-14T08:09:08 | 2023-12-14T08:09:08 | NONE | null | null | null | null | ### Describe the bug
it seems that sth wrong with my terrible "bug body" life, When i run this code, "import datasets"
i meet this error FileNotFoundError: [Errno 2] No such file or directory: 'nul'
![image](htt... | {
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https://api.github.com/repos/huggingface/datasets/issues/6191 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6191/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6191/comments | https://api.github.com/repos/huggingface/datasets/issues/6191/events | https://github.com/huggingface/datasets/pull/6191 | 1,871,634,840 | PR_kwDODunzps5ZCKmv | 6,191 | Add missing `revision` argument | {
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"_The documentation is not available anymore as the PR was closed or merged._",
"I have found the same issue. Good fix. Should be merged as soon as possible.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_a... | 2023-08-29T13:05:04 | 2023-09-04T06:38:17 | 2023-08-31T13:50:00 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | I've noticed that when you're not working on the main branch, there are sometimes errors in the files returned. After some investigation, I realized that the revision was not properly passed everywhere. This PR proposes a fix. | {
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https://api.github.com/repos/huggingface/datasets/issues/7211 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7211/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7211/comments | https://api.github.com/repos/huggingface/datasets/issues/7211/events | https://github.com/huggingface/datasets/issues/7211 | 2,576,400,502 | I_kwDODunzps6ZkMB2 | 7,211 | Describe only selected fields in README | {
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] | open | false | null | [] | null | [] | 2024-10-09T16:25:47 | 2024-10-09T16:25:47 | null | NONE | null | null | null | null | ### Feature request
Hi Datasets team!
Is it possible to add the ability to describe only selected fields of the dataset files in `README.md`? For example, I have this open dataset ([open-llm-leaderboard/results](https://huggingface.co/datasets/open-llm-leaderboard/results?row=0)) and I want to describe only some f... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7406 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7406/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7406/comments | https://api.github.com/repos/huggingface/datasets/issues/7406/events | https://github.com/huggingface/datasets/issues/7406 | 2,856,441,206 | I_kwDODunzps6qQdV2 | 7,406 | Adding Core Maintainer List to CONTRIBUTING.md | {
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"@lhoestq",
"there is no per-module maintainer and the list is me alone nowadays ^^'",
"@lhoestq \nOh... I feel for you. \nWhat are your criteria for choosing a core maintainer? \nIt seems like it's too much work for you to manage all this code by yourself.\n\nAlso, if you don't mind, can you check this PR for ... | 2025-02-17T00:32:40 | 2025-03-24T10:57:54 | 2025-03-24T10:57:54 | CONTRIBUTOR | null | null | null | null | ### Feature request
I propose adding a core maintainer list to the `CONTRIBUTING.md` file.
### Motivation
The Transformers and Liger-Kernel projects maintain lists of core maintainers for each module.
However, the Datasets project doesn't have such a list.
### Your contribution
I have nothing to add here. | {
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https://api.github.com/repos/huggingface/datasets/issues/7084 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7084/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7084/comments | https://api.github.com/repos/huggingface/datasets/issues/7084/events | https://github.com/huggingface/datasets/issues/7084 | 2,439,519,534 | I_kwDODunzps6RaB0u | 7,084 | More easily support streaming local files | {
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] | open | false | null | [] | null | [] | 2024-07-31T09:03:15 | 2024-07-31T09:05:58 | null | CONTRIBUTOR | null | null | null | null | ### Feature request
Simplify downloading and streaming datasets locally. Specifically, perhaps add an option to `load_dataset(..., streaming="download_first")` or add better support for streaming symlinked or arrow files.
### Motivation
I have downloaded FineWeb-edu locally and currently trying to stream the d... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6739 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6739/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6739/comments | https://api.github.com/repos/huggingface/datasets/issues/6739/events | https://github.com/huggingface/datasets/pull/6739 | 2,192,730,134 | PR_kwDODunzps5p-Bwe | 6,739 | Transpose images with EXIF Orientation tag | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6739). 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>... | 2024-03-18T16:43:06 | 2025-07-03T11:33:18 | 2024-03-19T15:29:42 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Closes https://github.com/huggingface/datasets/issues/6252 | {
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https://api.github.com/repos/huggingface/datasets/issues/5909 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5909/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5909/comments | https://api.github.com/repos/huggingface/datasets/issues/5909/events | https://github.com/huggingface/datasets/pull/5909 | 1,728,900,068 | PR_kwDODunzps5Rgga6 | 5,909 | Use more efficient and idiomatic way to construct list. | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/5... | Using `*` is ~2X faster according to [benchmark](https://colab.research.google.com/gist/ttsugriy/c964a2604edf70c41911b10335729b6a/for-vs-mult.ipynb) with just 4 patterns. This doesn't matter much since this tiny difference is not going to be noticeable, but why not? | {
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https://api.github.com/repos/huggingface/datasets/issues/7495 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7495/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7495/comments | https://api.github.com/repos/huggingface/datasets/issues/7495/events | https://github.com/huggingface/datasets/issues/7495 | 2,967,034,060 | I_kwDODunzps6w2VjM | 7,495 | Columns in the dataset obtained though load_dataset do not correspond to the one in the dataset viewer since 3.4.0 | {
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"Hi, the dataset viewer shows all the possible columns and their types, but `load_dataset()` iterates through all the columns that you defined. It seems that you only have one column (‘audio’) defined in your dataset because when I ran `print(ds.column_names)`, the only name I got was “audio”. You need to clearly d... | 2025-04-02T17:01:11 | 2025-07-02T23:24:57 | 2025-07-02T23:24:57 | CONTRIBUTOR | null | null | null | null | ### Describe the bug
I have noticed that on my dataset named [BrunoHays/Accueil_UBS](https://huggingface.co/datasets/BrunoHays/Accueil_UBS), since the version 3.4.0, every column except audio is missing when I load the dataset.
Interestingly, the dataset viewer still shows the correct columns
### Steps to reproduce ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6028 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6028/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6028/comments | https://api.github.com/repos/huggingface/datasets/issues/6028/events | https://github.com/huggingface/datasets/pull/6028 | 1,803,294,981 | PR_kwDODunzps5Vb3LJ | 6,028 | Use new hffs | {
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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... | 2023-07-13T15:41:44 | 2023-07-17T17:09:39 | 2023-07-17T17:01:00 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Thanks to @janineguo 's work in https://github.com/huggingface/datasets/pull/5919 which was needed to support HfFileSystem.
Switching to `HfFileSystem` will help implementing optimization in data files resolution
## Implementation details
I replaced all the from_hf_repo and from_local_or_remote in data_files.p... | {
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https://api.github.com/repos/huggingface/datasets/issues/7841 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7841/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7841/comments | https://api.github.com/repos/huggingface/datasets/issues/7841/events | https://github.com/huggingface/datasets/issues/7841 | 3,579,506,747 | I_kwDODunzps7VWvA7 | 7,841 | DOC: `mode` parameter on pdf and video features unused | {
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"They seem to be artefacts from a copy-paste of the Image feature ^^' we should remove them"
] | 2025-11-02T12:37:47 | 2025-11-03T10:36:28 | null | CONTRIBUTOR | null | null | null | null | Following up on https://github.com/huggingface/datasets/pull/7840 I asked claude code to check for undocumented parameters for other features and it found:
- mode parameter on video is documented but unused: https://github.com/huggingface/datasets/blob/main/src/datasets/features/video.py#L48-L49
- the same goes for the... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6755 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6755/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6755/comments | https://api.github.com/repos/huggingface/datasets/issues/6755/events | https://github.com/huggingface/datasets/issues/6755 | 2,204,573,289 | I_kwDODunzps6DZx5p | 6,755 | Small typo on the documentation | {
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"Thanks for reporting @fostiropoulos! I've edited your comment to fix the link to the problematic line.\r\n",
"@mariosasko can i take this up?",
"#self-assign"
] | 2024-03-24T21:47:52 | 2024-04-02T14:01:19 | 2024-04-02T14:01:19 | NONE | null | null | null | null | ### Describe the bug
There is a small typo on https://github.com/huggingface/datasets/blob/d5468836fe94e8be1ae093397dd43d4a2503b926/src/datasets/dataset_dict.py#L938
It should be `caching is enabled`.
### Steps to reproduce the bug
Please visit
https://github.com/huggingface/datasets/blob/d5468836fe94e... | {
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https://api.github.com/repos/huggingface/datasets/issues/7041 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7041/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7041/comments | https://api.github.com/repos/huggingface/datasets/issues/7041/events | https://github.com/huggingface/datasets/issues/7041 | 2,404,576,038 | I_kwDODunzps6PUusm | 7,041 | `sort` after `filter` unreasonably slow | {
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"`filter` add an indices mapping on top of the dataset, so `sort` has to gather all the rows that are kept to form a new Arrow table and sort the table. Gathering all the rows can take some time, but is a necessary step. You can try calling `ds = ds.flatten_indices()` before sorting to remove the indices mapping.",... | 2024-07-12T03:29:27 | 2025-04-29T09:49:25 | 2025-04-29T09:49:25 | NONE | null | null | null | null | ### Describe the bug
as the tittle says ...
### Steps to reproduce the bug
`sort` seems to be normal.
```python
from datasets import Dataset
import random
nums = [{"k":random.choice(range(0,1000))} for _ in range(100000)]
ds = Dataset.from_list(nums)
print("start sort")
ds = ds.sort("k")
print("f... | {
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https://api.github.com/repos/huggingface/datasets/issues/7384 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7384/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7384/comments | https://api.github.com/repos/huggingface/datasets/issues/7384/events | https://github.com/huggingface/datasets/pull/7384 | 2,828,208,828 | PR_kwDODunzps6J4wVi | 7,384 | Support async functions in map() | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7384). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"example of what you can do with it:\r\n\r\n```python\r\nimport aiohttp\r\nfrom huggingf... | 2025-02-03T18:18:40 | 2025-02-13T14:01:13 | 2025-02-13T14:00:06 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | e.g. to download images or call an inference API like HF or vLLM
```python
import asyncio
import random
from datasets import Dataset
async def f(x):
await asyncio.sleep(random.random())
ds = Dataset.from_dict({"data": range(100)})
ds.map(f)
# Map: 100%|█████████████████████████████| 100/100 [00:0... | {
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https://api.github.com/repos/huggingface/datasets/issues/6481 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6481/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6481/comments | https://api.github.com/repos/huggingface/datasets/issues/6481/events | https://github.com/huggingface/datasets/issues/6481 | 2,032,650,003 | I_kwDODunzps55J8cT | 6,481 | using torchrun, save_to_disk suddenly shows SIGTERM | {
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When I run my code using the "torchrun" command, when the code reaches the "save_to_disk" part, suddenly I get the following warning and error messages:
Because the dataset is too large, the "save_to_disk" function splits it into 70 parts for saving. However, an error occurs suddenly when it reac... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7516 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7516/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7516/comments | https://api.github.com/repos/huggingface/datasets/issues/7516/events | https://github.com/huggingface/datasets/issues/7516 | 2,995,780,283 | I_kwDODunzps6yj_q7 | 7,516 | unsloth/DeepSeek-R1-Distill-Qwen-32B server error | {
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hfhubhttperror: 500 server error: internal server error for url: https://huggingface.co/api/models/unsloth/deepseek-r1-distill-qwen-32b-bnb-4bit/commits/main (request id: root=1-67fe23fa-3a2150eb444c2a823c388579;de3aed68-c397-4da5-94d4-6565efd3b919) internal error - we're working hard to fix this ... | {
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https://api.github.com/repos/huggingface/datasets/issues/7486 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7486/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7486/comments | https://api.github.com/repos/huggingface/datasets/issues/7486/events | https://github.com/huggingface/datasets/issues/7486 | 2,954,042,179 | I_kwDODunzps6wExtD | 7,486 | `shared_datadir` fixture is missing | {
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"OK I was missing the `pytest-datadir` package. Sorry for the noise!"
] | 2025-03-27T18:17:12 | 2025-03-27T19:49:11 | 2025-03-27T19:49:10 | NONE | null | null | null | null | ### Describe the bug
Running the tests for the latest release fails due to missing `shared_datadir` fixture.
### Steps to reproduce the bug
Running `pytest` while building a package for Arch Linux leads to these errors:
```
==================================== ERRORS ====================================
_________ E... | {
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https://api.github.com/repos/huggingface/datasets/issues/6278 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6278/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6278/comments | https://api.github.com/repos/huggingface/datasets/issues/6278/events | https://github.com/huggingface/datasets/pull/6278 | 1,927,957,877 | PR_kwDODunzps5b_iKb | 6,278 | No 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... | 2023-10-05T10:31:58 | 2024-01-11T06:32:49 | 2023-10-05T14:43:17 | MEMBER | null | null | true | {
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} | I added a new DataFilesSet class to disallow duplicate data files.
I also deprecated DataFilesList.
EDIT: actually I might just add drop_duplicates=True to `.from_patterns`
close https://github.com/huggingface/datasets/issues/6259
close https://github.com/huggingface/datasets/issues/6272
TODO:
- [ ] tests
... | {
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https://api.github.com/repos/huggingface/datasets/issues/6626 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6626/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6626/comments | https://api.github.com/repos/huggingface/datasets/issues/6626/events | https://github.com/huggingface/datasets/pull/6626 | 2,105,482,522 | PR_kwDODunzps5lU0I2 | 6,626 | Raise error on bad split name | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6626). 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>... | 2024-01-29T13:17:41 | 2024-01-29T15:18:25 | 2024-01-29T15:12:18 | MEMBER | null | null | false | {
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This should add an error message on datasets with unsupported split names like https://huggingface.co/datasets/open-source-metrics/test
cc @AndreaFrancis | {
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https://api.github.com/repos/huggingface/datasets/issues/6771 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6771/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6771/comments | https://api.github.com/repos/huggingface/datasets/issues/6771/events | https://github.com/huggingface/datasets/issues/6771 | 2,220,131,457 | I_kwDODunzps6EVISB | 6,771 | Datasets FileNotFoundError when trying to generate examples. | {
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"Hi! I've opened a PR in the repo to fix this issue: https://huggingface.co/datasets/RitchieP/VerbaLex_voice/discussions/6",
"@mariosasko Thanks for the PR and help! Guess I could close the issue for now. Appreciate the help!"
] | 2024-04-02T10:24:57 | 2024-04-04T14:22:03 | 2024-04-04T14:22:03 | NONE | null | null | null | null | ### Discussed in https://github.com/huggingface/datasets/discussions/6768
<div type='discussions-op-text'>
<sup>Originally posted by **RitchieP** April 1, 2024</sup>
Currently, I have a dataset hosted on Huggingface with a custom script [here](https://huggingface.co/datasets/RitchieP/VerbaLex_voice).
I'm loa... | {
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https://api.github.com/repos/huggingface/datasets/issues/6090 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6090/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6090/comments | https://api.github.com/repos/huggingface/datasets/issues/6090/events | https://github.com/huggingface/datasets/issues/6090 | 1,825,865,043 | I_kwDODunzps5s1H1T | 6,090 | FilesIterable skips all the files after a hidden file | {
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"Thanks for reporting. We've merged a PR with a fix."
] | 2023-07-28T07:25:57 | 2023-07-28T10:51:14 | 2023-07-28T10:50:11 | NONE | null | null | null | null | ### Describe the bug
When initializing `FilesIterable` with a list of file paths using `FilesIterable.from_paths`, it will discard all the files after a hidden file.
The problem is in [this line](https://github.com/huggingface/datasets/blob/88896a7b28610ace95e444b94f9a4bc332cc1ee3/src/datasets/download/download_manag... | {
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https://api.github.com/repos/huggingface/datasets/issues/7349 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7349/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7349/comments | https://api.github.com/repos/huggingface/datasets/issues/7349/events | https://github.com/huggingface/datasets/pull/7349 | 2,767,670,454 | PR_kwDODunzps6GqseO | 7,349 | Webdataset special columns in last position | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7349). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-01-03T14:32:15 | 2025-01-03T14:34:39 | 2025-01-03T14:32:30 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6310 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6310/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6310/comments | https://api.github.com/repos/huggingface/datasets/issues/6310/events | https://github.com/huggingface/datasets/pull/6310 | 1,947,457,988 | PR_kwDODunzps5dBPnY | 6,310 | Add return_file_name in load_dataset | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6310). All of your documentation changes will be reflected on that endpoint.",
"> Thanks for the change !\r\n> \r\n> Since `return` in python often refers to what is actually returned by the function (here `load_dataset`), I th... | 2023-10-17T13:36:57 | 2024-08-09T11:51:55 | 2024-07-31T13:56:50 | NONE | null | null | false | {
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} | Proposition to fix #5806.
Added an optional parameter `return_file_name` in the dataset builder config. When set to `True`, the function will include the file name corresponding to the sample in the returned output.
There is a difference between arrow-based and folder-based datasets to return the file name:
- fo... | {
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https://api.github.com/repos/huggingface/datasets/issues/6426 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6426/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6426/comments | https://api.github.com/repos/huggingface/datasets/issues/6426/events | https://github.com/huggingface/datasets/pull/6426 | 1,995,363,264 | PR_kwDODunzps5fjOEK | 6,426 | More robust temporary directory deletion | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6426). All of your documentation changes will be reflected on that endpoint.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchma... | 2023-11-15T19:06:42 | 2023-12-01T15:37:32 | 2023-12-01T15:31:19 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | While fixing the Windows errors in #6362, I noticed that `PermissionError` can still easily be thrown on the session exit by the temporary cache directory's finalizer (we would also have to keep track of intermediate datasets, copies, etc.). ~~Due to the low usage of `datasets` on Windows, this PR takes a simpler appro... | {
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https://api.github.com/repos/huggingface/datasets/issues/6909 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6909/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6909/comments | https://api.github.com/repos/huggingface/datasets/issues/6909/events | https://github.com/huggingface/datasets/pull/6909 | 2,307,508,120 | PR_kwDODunzps5wCoiE | 6,909 | Update requests >=2.32.1 to fix vulnerability | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-05-21T07:11:20 | 2024-05-21T07:45:58 | 2024-05-21T07:38:25 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6350 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6350/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6350/comments | https://api.github.com/repos/huggingface/datasets/issues/6350/events | https://github.com/huggingface/datasets/issues/6350 | 1,961,869,203 | I_kwDODunzps5077-T | 6,350 | Different objects are returned from calls that should be returning the same kind of object. | {
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"`load_dataset` returns a `DatasetDict` object unless `split` is defined, in which case it returns a `Dataset` (or a list of datasets if `split` is a list). We've discussed dropping `DatasetDict` from the API in https://github.com/huggingface/datasets/issues/5189 to always return the same type in `load_dataset` an... | 2023-10-25T17:08:39 | 2023-10-26T21:03:06 | null | NONE | null | null | null | null | ### Describe the bug
1. dataset = load_dataset("togethercomputer/RedPajama-Data-1T-Sample", cache_dir=training_args.cache_dir, split='train[:1%]')
2. dataset = load_dataset("togethercomputer/RedPajama-Data-1T-Sample", cache_dir=training_args.cache_dir)
The only difference I would expect these cal... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7194 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7194/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7194/comments | https://api.github.com/repos/huggingface/datasets/issues/7194/events | https://github.com/huggingface/datasets/issues/7194 | 2,563,364,199 | I_kwDODunzps6YydVn | 7,194 | datasets.exceptions.DatasetNotFoundError for private dataset | {
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"Actually there is no such dataset available, that is why you are getting that error.",
"Fixed with @kdutia in Slack chat. Generating a new token fixed this issue. "
] | 2024-10-03T07:49:36 | 2024-10-03T10:09:28 | 2024-10-03T10:09:28 | NONE | null | null | null | null | ### Describe the bug
The following Python code tries to download a private dataset and fails with the error `datasets.exceptions.DatasetNotFoundError: Dataset 'ClimatePolicyRadar/all-document-text-data-weekly' doesn't exist on the Hub or cannot be accessed.`. Downloading a public dataset doesn't work.
``` py
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https://api.github.com/repos/huggingface/datasets/issues/7839 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7839/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7839/comments | https://api.github.com/repos/huggingface/datasets/issues/7839/events | https://github.com/huggingface/datasets/issues/7839 | 3,579,121,843 | I_kwDODunzps7VVRCz | 7,839 | datasets doesn't work with python 3.14 | {
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"Thanks for the report.\nHave you tried on main? This should work, there was recently a PR merged to address this problem, see #7817",
"Works on main 👍 \nWhat's the release schedule for `datasets`? Seems like a cadence of ~2weeks so I assume a real version is due pretty soon?",
"let's say we do a new release l... | 2025-11-02T09:09:06 | 2025-11-03T10:39:24 | null | NONE | null | null | null | null | ### Describe the bug
Seems that `dataset` doesn't work with python==3.14. The root cause seems to be something with a `deel` API that was changed.
```
TypeError: Pickler._batch_setitems() takes 2 positional arguments but 3 were given
```
### Steps to reproduce the bug
(on a new folder)
uv init
uv python pin 3.14
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https://api.github.com/repos/huggingface/datasets/issues/6967 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6967/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6967/comments | https://api.github.com/repos/huggingface/datasets/issues/6967/events | https://github.com/huggingface/datasets/issues/6967 | 2,349,146,398 | I_kwDODunzps6MBSEe | 6,967 | Method to load Laion400m | {
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] | open | false | null | [] | null | [] | 2024-06-12T16:04:04 | 2024-06-12T16:04:04 | null | NONE | null | null | null | null | ### Feature request
Large datasets like Laion400m are provided as embeddings. The provided methods in load_dataset are not straightforward for loading embedding files, i.e. img_emb_XX.npy ; XX = 0 to 99
### Motivation
The trial and experimentation is the key pivot of HF. It would be great if HF can load embeddings... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6883 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6883/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6883/comments | https://api.github.com/repos/huggingface/datasets/issues/6883/events | https://github.com/huggingface/datasets/pull/6883 | 2,284,808,399 | PR_kwDODunzps5u1sL1 | 6,883 | Require Pillow >= 9.4.0 to avoid AttributeError when loading image dataset | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6883). 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 ",
... | 2024-05-08T06:43:29 | 2024-08-28T13:13:57 | 2024-05-16T14:34:02 | MEMBER | null | null | false | {
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The `PIL.Image.ExifTags` that we use in our code was implemented in Pillow-9.4.0: https://github.com/python-pillow/Pillow/commit/24a5405a9f7ea22f28f9c98b3e407292ea5ee1d3
The bug #6881 was introduced in datasets-2.19.0 by this PR:
- #6739... | {
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https://api.github.com/repos/huggingface/datasets/issues/6899 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6899/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6899/comments | https://api.github.com/repos/huggingface/datasets/issues/6899/events | https://github.com/huggingface/datasets/issues/6899 | 2,298,059,597 | I_kwDODunzps6I-ZtN | 6,899 | List of dictionary features get standardized | {
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"I think this may be a limitation of the arrow format",
"Dupe of #5950\n"
] | 2024-05-15T14:11:35 | 2025-04-01T20:48:03 | null | NONE | null | null | null | null | ### Describe the bug
Hi, i’m trying to create a HF dataset from a list using Dataset.from_list.
Each sample in the list is a dict with the same keys (which will be my features). The values for each feature are a list of dictionaries, and each such dictionary has a different set of keys. However, the datasets librar... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7586 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7586/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7586/comments | https://api.github.com/repos/huggingface/datasets/issues/7586/events | https://github.com/huggingface/datasets/issues/7586 | 3,091,320,431 | I_kwDODunzps64Qc5v | 7,586 | help is appreciated | {
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"how is this related to this repository ?"
] | 2025-05-26T14:00:42 | 2025-05-26T18:21:57 | null | NONE | null | null | null | null | ### Feature request
https://github.com/rajasekarnp1/neural-audio-upscaler/tree/main
### Motivation
ai model develpment and audio
### Your contribution
ai model develpment and audio | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7481 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7481/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7481/comments | https://api.github.com/repos/huggingface/datasets/issues/7481/events | https://github.com/huggingface/datasets/issues/7481 | 2,950,692,971 | I_kwDODunzps6v4ABr | 7,481 | deal with python `10_000` legal number in slice syntax | {
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"should be an easy fix, I opened a PR"
] | 2025-03-26T20:10:54 | 2025-03-28T16:20:44 | 2025-03-28T16:20:44 | NONE | null | null | null | null | ### Feature request
```
In [6]: ds = datasets.load_dataset("HuggingFaceH4/ultrachat_200k", split="train_sft[:1000]")
In [7]: ds = datasets.load_dataset("HuggingFaceH4/ultrachat_200k", split="train_sft[:1_000]")
[dozens of frames skipped]
File /usr/local/lib/python3.10/dist-packages/datasets/arrow_reader.py:444, in _s... | {
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https://api.github.com/repos/huggingface/datasets/issues/6082 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6082/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6082/comments | https://api.github.com/repos/huggingface/datasets/issues/6082/events | https://github.com/huggingface/datasets/pull/6082 | 1,824,819,672 | PR_kwDODunzps5WkdIn | 6,082 | Release: 2.14.1 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6082). All of your documentation changes will be reflected on that endpoint.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchma... | 2023-07-27T17:05:54 | 2023-07-31T06:32:16 | 2023-07-27T17:08:38 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6420 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6420/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6420/comments | https://api.github.com/repos/huggingface/datasets/issues/6420/events | https://github.com/huggingface/datasets/pull/6420 | 1,994,278,903 | PR_kwDODunzps5ffhdi | 6,420 | Set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6420). All of your documentation changes will be reflected on that endpoint.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchma... | 2023-11-15T08:22:19 | 2023-11-15T08:33:36 | 2023-11-15T08:22:33 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6416 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6416/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6416/comments | https://api.github.com/repos/huggingface/datasets/issues/6416/events | https://github.com/huggingface/datasets/pull/6416 | 1,992,954,723 | PR_kwDODunzps5fbA4H | 6,416 | Rename audio_classificiation.py to audio_classification.py | {
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"Oh good catch. Can you also rename it in `src/datasets/tasks/__init__.py` ?",
"Fixed! \r\n\r\n(I think, tough word to spell right TBH)",
"_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... | 2023-11-14T15:15:29 | 2023-11-15T11:59:32 | 2023-11-15T11:53:20 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7567 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7567/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7567/comments | https://api.github.com/repos/huggingface/datasets/issues/7567/events | https://github.com/huggingface/datasets/issues/7567 | 3,058,308,538 | I_kwDODunzps62ShW6 | 7,567 | interleave_datasets seed with multiple workers | {
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"Hi ! It's already the case IIRC: the effective seed looks like `seed + worker_id`. Do you have a reproducible example ?",
"here is an example with shuffle\n\n```\nimport itertools\nimport datasets\nimport multiprocessing\nimport torch.utils.data\n\n\ndef gen(shard):\n worker_info = torch.utils.data.get_worker_i... | 2025-05-12T22:38:27 | 2025-10-24T14:04:37 | 2025-10-24T14:04:37 | NONE | null | null | null | null | ### Describe the bug
Using interleave_datasets with multiple dataloader workers and a seed set causes the same dataset sampling order across all workers.
Should the seed be modulated with the worker id?
### Steps to reproduce the bug
See above
### Expected behavior
See above
### Environment info
- `datasets` ve... | {
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https://api.github.com/repos/huggingface/datasets/issues/6335 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6335/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6335/comments | https://api.github.com/repos/huggingface/datasets/issues/6335/events | https://github.com/huggingface/datasets/pull/6335 | 1,956,740,818 | PR_kwDODunzps5dggIV | 6,335 | Support 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... | 2023-10-23T09:29:17 | 2024-01-11T06:33:35 | 2023-11-14T14:17:40 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7544 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7544/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7544/comments | https://api.github.com/repos/huggingface/datasets/issues/7544/events | https://github.com/huggingface/datasets/pull/7544 | 3,027,024,285 | PR_kwDODunzps6UR4Nn | 7,544 | Add try_original_type to DatasetDict.map | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7544). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Sure! I just committed the changes",
"@lhoestq \r\nLet me know if there are other thi... | 2025-04-29T04:39:44 | 2025-05-05T14:42:49 | 2025-05-05T14:42:49 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | This PR resolves #7472 for DatasetDict
The previously merged PR #7483 added `try_original_type` to ArrowDataset, but DatasetDict misses `try_original_type`
Cc: @lhoestq | {
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https://api.github.com/repos/huggingface/datasets/issues/7375 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7375/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7375/comments | https://api.github.com/repos/huggingface/datasets/issues/7375/events | https://github.com/huggingface/datasets/issues/7375 | 2,800,609,218 | I_kwDODunzps6m7efC | 7,375 | vllm批量推理报错 | {
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"Make sure you have installed a recent version of `soundfile`"
] | 2025-01-21T03:22:23 | 2025-01-30T14:02:40 | null | NONE | null | null | null | null | ### Describe the bug
### Steps to reproduce the bug
### Expected behavior
![Image](https://github.com/user-attachments/assets/77d32936-... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7625 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7625/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7625/comments | https://api.github.com/repos/huggingface/datasets/issues/7625/events | https://github.com/huggingface/datasets/pull/7625 | 3,159,016,001 | PR_kwDODunzps6bMKof | 7,625 | feat: Add h5folder dataset loader for HDF5 support | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7625). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"I guess test failed cause import os, import h5py, and import datasets lines are not alp... | 2025-06-19T05:39:10 | 2025-06-26T05:44:26 | null | CONTRIBUTOR | null | null | false | {
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} | ### Related Issue
Closes #3113
### What does this PR do?
This PR introduces a new dataset loader module called **`h5folder`** to support loading datasets stored in **HDF5 (.h5)** format.
It allows users to do:
```python
from datasets import load_dataset
dataset = load_dataset("h5folder", data_dir="path/t... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6713 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6713/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6713/comments | https://api.github.com/repos/huggingface/datasets/issues/6713/events | https://github.com/huggingface/datasets/pull/6713 | 2,166,797,560 | PR_kwDODunzps5olmqh | 6,713 | Bump huggingface-hub lower version to 0.21.2 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6713). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"@lhoestq if you agree, I could make a patch release tomorrow morning.",
"sure :)",
... | 2024-03-04T13:00:52 | 2024-03-04T18:14:03 | 2024-03-04T18:06:05 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | This should fix the version compatibility issue when using `huggingface_hub` < 0.21.2 and latest fsspec (>=2023.12.0).
See my comment: https://github.com/huggingface/datasets/pull/6687#issuecomment-1976493336
>> EDIT: the fix has been released in `huggingface_hub` 0.21.2 - I removed my commits that were using `hugg... | {
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https://api.github.com/repos/huggingface/datasets/issues/7326 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7326/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7326/comments | https://api.github.com/repos/huggingface/datasets/issues/7326/events | https://github.com/huggingface/datasets/issues/7326 | 2,738,188,902 | I_kwDODunzps6jNXJm | 7,326 | Remove upper bound for fsspec | {
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"Unfortunately `fsspec` versioning allows breaking changes across version and there is no way we can keep it without constrains at the moment. It already broke `datasets` once in the past. Maybe one day once `fsspec` decides on a stable and future proof API but I don't think this will happen anytime soon\r\n\r\nedi... | 2024-12-13T11:35:12 | 2025-01-03T15:34:37 | null | NONE | null | null | null | null | ### Describe the bug
As also raised by @cyyever in https://github.com/huggingface/datasets/pull/7296 and @NeilGirdhar in https://github.com/huggingface/datasets/commit/d5468836fe94e8be1ae093397dd43d4a2503b926#commitcomment-140952162 , `datasets` has a problematic version constraint on `fsspec`.
In our case this c... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7047 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7047/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7047/comments | https://api.github.com/repos/huggingface/datasets/issues/7047/events | https://github.com/huggingface/datasets/issues/7047 | 2,406,495,084 | I_kwDODunzps6PcDNs | 7,047 | Save Dataset as Sharded Parquet | {
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"To anyone else who finds themselves in this predicament, it's possible to read the parquet file in the same way that datasets writes it, and then manually break it into pieces. Although, you need a couple of magic options (`thrift_*`) to deal with the huge metadata, otherwise pyarrow immediately crashes.\r\n```pyt... | 2024-07-12T23:47:51 | 2025-10-01T15:12:30 | null | NONE | null | null | null | null | ### Feature request
`to_parquet` currently saves the dataset as one massive, monolithic parquet file, rather than as several small parquet files. It should shard large datasets automatically.
### Motivation
This default behavior makes me very sad because a program I ran for 6 hours saved its results using `to_... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7703 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7703/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7703/comments | https://api.github.com/repos/huggingface/datasets/issues/7703/events | https://github.com/huggingface/datasets/issues/7703 | 3,265,648,942 | I_kwDODunzps7Cpdku | 7,703 | [Docs] map() example uses undefined `tokenizer` — causes NameError | {
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"I've submitted PR #7704 which adds documentation to clarify the behavior of `map()` when returning `None`."
] | 2025-07-26T13:35:11 | 2025-07-27T09:44:35 | null | CONTRIBUTOR | null | null | null | null | ## Description
The current documentation example for `datasets.Dataset.map()` demonstrates batched processing but uses a `tokenizer` object without defining or importing it. This causes an error every time it's copied.
Here is the problematic line:
```python
# process a batch of examples
>>> ds = ds.map(lambda examp... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7823 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7823/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7823/comments | https://api.github.com/repos/huggingface/datasets/issues/7823/events | https://github.com/huggingface/datasets/pull/7823 | 3,525,440,347 | PR_kwDODunzps6uRkGa | 7,823 | Fix random seed on shuffle and interleave_datasets | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7823). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Cool ! To avoid unwanted side effects it could be implemented for every class instead o... | 2025-10-17T10:21:47 | 2025-10-24T14:21:22 | 2025-10-24T14:04:36 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | closes #7567
Add `shift_rngs` method to `ExamplesIterable` that is called directly after sharding. If a generator is available (not the case for all subclasses) we update the seed of the generator by shifting by the worker_id.
~This is just the fix for `shuffle`, in the corresponding issue `interleave_datasets` i... | {
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https://api.github.com/repos/huggingface/datasets/issues/7822 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7822/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7822/comments | https://api.github.com/repos/huggingface/datasets/issues/7822/events | https://github.com/huggingface/datasets/pull/7822 | 3,525,309,651 | PR_kwDODunzps6uRKIJ | 7,822 | Retry open hf file | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7822). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-17T09:48:51 | 2025-10-17T09:52:05 | 2025-10-17T09:51:35 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fix this error
```python
File "/workdir/.venv/lib/python3.13/site-packages/datasets/utils/file_utils.py", line 934, in xopen
file_obj = fsspec.open(file, mode=mode, *args, **kwargs).open()
File "/workdir/.venv/lib/python3.13/site-packages/fsspec/core.py", line 147, in open
return self.__enter__()
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https://api.github.com/repos/huggingface/datasets/issues/7707 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7707/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7707/comments | https://api.github.com/repos/huggingface/datasets/issues/7707/events | https://github.com/huggingface/datasets/issues/7707 | 3,271,867,998 | I_kwDODunzps7DBL5e | 7,707 | load_dataset() in 4.0.0 failed when decoding audio | {
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"Hi @lhoestq . Would you please have a look at it? I use the official NV Docker ([NV official docker image](https://catalog.ngc.nvidia.com/orgs/nvidia/containers/pytorch): `nvcr.io/nvidia/pytorch:25.06-py3`) on A100 and encountered this issue, but I don't know how to fix it.",
"Use !pip install -U datasets[audio]... | 2025-07-29T03:25:03 | 2025-10-05T06:41:38 | 2025-08-01T05:15:45 | NONE | null | null | null | null | ### Describe the bug
Cannot decode audio data.
### Steps to reproduce the bug
```python
from datasets import load_dataset
dataset = load_dataset("hf-internal-testing/librispeech_asr_demo", "clean", split="validation")
print(dataset[0]["audio"]["array"])
```
1st round run, got
```
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https://api.github.com/repos/huggingface/datasets/issues/7810 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7810/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7810/comments | https://api.github.com/repos/huggingface/datasets/issues/7810/events | https://github.com/huggingface/datasets/pull/7810 | 3,499,855,569 | PR_kwDODunzps6s7wHa | 7,810 | fix conda deps | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7810). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-09T16:32:04 | 2025-10-09T16:35:15 | 2025-10-09T16:35:14 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7795 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7795/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7795/comments | https://api.github.com/repos/huggingface/datasets/issues/7795/events | https://github.com/huggingface/datasets/pull/7795 | 3,463,990,654 | PR_kwDODunzps6rDEce | 7,795 | Add pyarrow's binary view to features | {
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"@lhoestq 🙏 ",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7795). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-09-29T09:12:55 | 2025-10-10T16:04:21 | 2025-10-10T16:04:21 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6257 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6257/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6257/comments | https://api.github.com/repos/huggingface/datasets/issues/6257/events | https://github.com/huggingface/datasets/issues/6257 | 1,910,741,044 | I_kwDODunzps5x45g0 | 6,257 | HfHubHTTPError - exceeded our hourly quotas for action: commit | {
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"how is your dataset structured? (file types, how many commits and files are you trying to push, etc)",
"I succeeded in uploading it after several attempts with an hour gap between each attempt (inconvenient but worked). The final dataset is [here](https://huggingface.co/datasets/yuvalkirstain/pickapic_v2), code ... | 2023-09-25T06:11:43 | 2023-10-16T13:30:49 | 2023-10-16T13:30:48 | NONE | null | null | null | null | ### Describe the bug
I try to upload a very large dataset of images, and get the following error:
```
File /fsx-multigen/yuvalkirstain/miniconda/envs/pickapic/lib/python3.10/site-packages/huggingface_hub/hf_api.py:2712, in HfApi.create_commit(self, repo_id, operations, commit_message, commit_description, token, repo... | {
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https://api.github.com/repos/huggingface/datasets/issues/7675 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7675/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7675/comments | https://api.github.com/repos/huggingface/datasets/issues/7675/events | https://github.com/huggingface/datasets/issues/7675 | 3,216,699,094 | I_kwDODunzps6_uu7W | 7,675 | common_voice_11_0.py failure in dataset library | {
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"Hi ! This dataset is not in a supported format and `datasets` 4 doesn't support datasets that based on python scripts which are often source of errors. Feel free to ask the dataset authors to convert the dataset to a supported format at https://huggingface.co/datasets/mozilla-foundation/common_voice_11_0/discussio... | 2025-07-09T17:47:59 | 2025-07-22T09:35:42 | null | NONE | null | null | null | null | ### Describe the bug
I tried to download dataset but have got this error:
from datasets import load_dataset
load_dataset("mozilla-foundation/common_voice_11_0", "en", split="test", streaming=True)
---------------------------------------------------------------------------
RuntimeError Tr... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6212 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6212/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6212/comments | https://api.github.com/repos/huggingface/datasets/issues/6212/events | https://github.com/huggingface/datasets/issues/6212 | 1,880,399,516 | I_kwDODunzps5wFJ6c | 6,212 | Tilde (~) is not supported for data_files | {
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"... | [] | open | false | null | [] | null | [
"Hi @exs-avianello, is it really needed? Note you can alternatively use `pathlib.Path` among others as it follows:\r\n\r\n```python\r\nimport datasets\r\nfrom pathlib import Path\r\n\r\n# save a parquet file at ~/path/to/data.parquet\r\n\r\ndata_files = Path.home() / \"path/to/data.parquet\"\r\ndataset = datasets.l... | 2023-09-04T14:23:49 | 2023-09-05T08:28:39 | null | NONE | null | null | null | null | ### Describe the bug
Attempting to `load_dataset` from a path starting with `~` (as a shorthand for the user's home directory) seems not to be fully working - at least as far as the `parquet` dataset builder is concerned.
(the same file can be loaded correctly if providing its absolute path instead)
I think that... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7342 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7342/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7342/comments | https://api.github.com/repos/huggingface/datasets/issues/7342/events | https://github.com/huggingface/datasets/pull/7342 | 2,749,572,310 | PR_kwDODunzps6FvgcK | 7,342 | Update LICENSE | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7342). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-12-19T08:17:50 | 2024-12-19T08:44:08 | 2024-12-19T08:44:08 | NONE | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6073 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6073/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6073/comments | https://api.github.com/repos/huggingface/datasets/issues/6073/events | https://github.com/huggingface/datasets/issues/6073 | 1,822,167,804 | I_kwDODunzps5snBL8 | 6,073 | version2.3.2 load_dataset()data_files can't include .xxxx in path | {
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"Version 2.3.2 is over one year old, so please use the latest release (2.14.0) to get the expected behavior. Version 2.3.2 does not contain some fixes we made to fix resolving hidden files/directories (starting with a dot)."
] | 2023-07-26T11:09:31 | 2023-08-29T15:53:59 | 2023-08-29T15:53:59 | NONE | null | null | null | null | ### Describe the bug
First, I cd workdir.
Then, I just use load_dataset("json", data_file={"train":"/a/b/c/.d/train/train.json", "test":"/a/b/c/.d/train/test.json"})
that couldn't work and
<FileNotFoundError: Unable to find
'/a/b/c/.d/train/train.jsonl' at
/a/b/c/.d/>
And I debug, it is fine in version2.1.2... | {
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https://api.github.com/repos/huggingface/datasets/issues/6376 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6376/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6376/comments | https://api.github.com/repos/huggingface/datasets/issues/6376/events | https://github.com/huggingface/datasets/issues/6376 | 1,973,927,468 | I_kwDODunzps51p74s | 6,376 | Caching problem when deleting a dataset | {
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"Thanks for reporting! Can you also share the error message printed in step 5?",
"I did not store it at the time but I'll try to re-do a mwe next week to get it again",
"I haven't managed to reproduce this issue using a [notebook](https://colab.research.google.com/drive/1m6eduYun7pFTkigrCJAFgw0BghlbvXIL?usp=sha... | 2023-11-02T10:15:58 | 2023-12-04T16:53:34 | 2023-12-04T16:53:33 | MEMBER | null | null | null | null | ### Describe the bug
Pushing a dataset with n + m features to a repo which was deleted, but contained n features, will fail.
### Steps to reproduce the bug
1. Create a dataset with n features per row
2. `dataset.push_to_hub(YOUR_PATH, SPLIT, token=TOKEN)`
3. Go on the hub, delete the repo at `YOUR_PATH`
4. Update... | {
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https://api.github.com/repos/huggingface/datasets/issues/7531 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7531/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7531/comments | https://api.github.com/repos/huggingface/datasets/issues/7531/events | https://github.com/huggingface/datasets/issues/7531 | 3,008,914,887 | I_kwDODunzps6zWGXH | 7,531 | Deepspeed reward training hangs at end of training with Dataset.from_list | {
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"Hi ! How big is the dataset ? if you load it using `from_list`, the dataset lives in memory and has to be copied to every gpu process, which can be slow.\n\nIt's fasted if you load it from JSON files from disk, because in that case the dataset in converted to Arrow and loaded from disk using memory mapping. Memory... | 2025-04-21T17:29:20 | 2025-06-29T06:20:45 | null | NONE | null | null | null | null | There seems to be a weird interaction between Deepspeed, the Dataset.from_list method and trl's RewardTrainer. On a multi-GPU setup (10 A100s), training always hangs at the very end of training until it times out. The training itself works fine until the end of training and running the same script with Deepspeed on a s... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7461 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7461/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7461/comments | https://api.github.com/repos/huggingface/datasets/issues/7461/events | https://github.com/huggingface/datasets/issues/7461 | 2,925,608,123 | I_kwDODunzps6uYTy7 | 7,461 | List of images behave differently on IterableDataset and Dataset | {
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"Hi ! Can you try with `datasets` ^3.4 released recently ? on my side it works with IterableDataset on the recent version :)\n\n```python\nIn [20]: def train_iterable_gen():\n ...: images = np.array(load_image(\"https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg\")... | 2025-03-17T15:59:23 | 2025-03-18T08:57:17 | 2025-03-18T08:57:16 | NONE | null | null | null | null | ### Describe the bug
This code:
```python
def train_iterable_gen():
images = np.array(load_image("https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg").resize((128, 128)))
yield {
"images": np.expand_dims(images, axis=0),
"messages": [
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https://api.github.com/repos/huggingface/datasets/issues/7257 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7257/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7257/comments | https://api.github.com/repos/huggingface/datasets/issues/7257/events | https://github.com/huggingface/datasets/pull/7257 | 2,618,602,173 | PR_kwDODunzps6AHEfy | 7,257 | fix ci for pyarrow 18 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7257). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-10-28T14:31:34 | 2024-10-28T14:34:05 | 2024-10-28T14:31:44 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6299 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6299/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6299/comments | https://api.github.com/repos/huggingface/datasets/issues/6299/events | https://github.com/huggingface/datasets/issues/6299 | 1,939,649,238 | I_kwDODunzps5znLLW | 6,299 | Support for newer versions of JAX | {
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] | closed | false | null | [] | null | [] | 2023-10-12T10:03:46 | 2023-10-12T16:28:59 | 2023-10-12T16:28:59 | NONE | null | null | null | null | ### Feature request
Hi,
I like your idea of adapting the datasets library to be usable with JAX. Thank you for that.
However, in your [setup.py](https://github.com/huggingface/datasets/blob/main/setup.py), you enforce old versions of JAX <= 0.3... It is very cumbersome !
What is the rationale for such a lim... | {
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https://api.github.com/repos/huggingface/datasets/issues/6501 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6501/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6501/comments | https://api.github.com/repos/huggingface/datasets/issues/6501/events | https://github.com/huggingface/datasets/issues/6501 | 2,043,377,240 | I_kwDODunzps55y3ZY | 6,501 | OverflowError: value too large to convert to int32_t | {
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] | 2023-12-15T10:10:21 | 2025-06-27T04:27:14 | null | NONE | null | null | null | null | ### Describe the bug
### Steps to reproduce the bug
just loading datasets
### Expected behavior
how can I fix it
### Environment info
pip install /mnt/cluster/zhangfan/study_info/LLaMA-Factory/peft-0.6.0-py3... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6855 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6855/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6855/comments | https://api.github.com/repos/huggingface/datasets/issues/6855/events | https://github.com/huggingface/datasets/pull/6855 | 2,274,777,812 | PR_kwDODunzps5uUZNT | 6,855 | Fix dataset name for community Hub script-datasets | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6855). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"The CI errors were unrelated. I am merging main once they were fixed:\r\n- #6857",
"T... | 2024-05-02T07:05:44 | 2024-05-03T15:58:00 | 2024-05-03T15:51:57 | MEMBER | null | null | false | {
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Fix #6854.
CC: @Wauplin | {
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https://api.github.com/repos/huggingface/datasets/issues/7824 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7824/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7824/comments | https://api.github.com/repos/huggingface/datasets/issues/7824/events | https://github.com/huggingface/datasets/pull/7824 | 3,531,240,254 | PR_kwDODunzps6ukXe9 | 7,824 | Fix batch_size default description in to_polars docstrings | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7824). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-20T06:38:19 | 2025-10-20T13:49:25 | 2025-10-20T13:49:24 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7284 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7284/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7284/comments | https://api.github.com/repos/huggingface/datasets/issues/7284/events | https://github.com/huggingface/datasets/pull/7284 | 2,644,302,386 | PR_kwDODunzps6BVUSh | 7,284 | support for custom feature encoding/decoding | {
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"@lhoestq ",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7284). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-11-08T15:04:08 | 2024-11-21T16:09:47 | 2024-11-21T16:09:47 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fix for https://github.com/huggingface/datasets/issues/7220 as suggested in discussion, in preference to #7221
(only concern would be on effect on type checking with custom feature types that aren't covered by FeatureType?) | {
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https://api.github.com/repos/huggingface/datasets/issues/7423 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7423/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7423/comments | https://api.github.com/repos/huggingface/datasets/issues/7423/events | https://github.com/huggingface/datasets/issues/7423 | 2,879,271,409 | I_kwDODunzps6rnjHx | 7,423 | Row indexing a dataset with numpy integers | {
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"Would be cool to be consistent when it comes to indexing with numpy objects, if we do accept numpy arrays we should indeed accept numpy integers. Your idea sounds reasonable, I'd also be in favor of adding a simple test as well"
] | 2025-02-25T18:44:45 | 2025-07-28T02:23:17 | 2025-07-28T02:23:17 | CONTRIBUTOR | null | null | null | null | ### Feature request
Allow indexing datasets with a scalar numpy integer type.
### Motivation
Indexing a dataset with a scalar numpy.int* object raises a TypeError. This is due to the test in `datasets/formatting/formatting.py:key_to_query_type`
``` python
def key_to_query_type(key: Union[int, slice, range, str, Ite... | {
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https://api.github.com/repos/huggingface/datasets/issues/7754 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7754/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7754/comments | https://api.github.com/repos/huggingface/datasets/issues/7754/events | https://github.com/huggingface/datasets/pull/7754 | 3,384,883,008 | PR_kwDODunzps6m6qRo | 7,754 | Add columns support to JSON loader | {
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} | New fix to #7594
This PR adds support for the columns argument in the JSON dataset builder.
Added columns parameter to JsonConfig.
Applied column filtering after table creation, filling missing columns with None.
Extended tests to cover:
- Selecting a subset of columns
- Handling missing requested columns
- Co... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7765 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7765/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7765/comments | https://api.github.com/repos/huggingface/datasets/issues/7765/events | https://github.com/huggingface/datasets/issues/7765 | 3,411,556,378 | I_kwDODunzps7LWDga | 7,765 | polars dataset cannot cast column to Image/Audio/Video | {
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"I fixed this with a combination of `to_dict` and `from_dict`:\n\n```py\ndatasets.Dataset.from_dict(df.to_dict(as_series=False))\n```",
"@samuelstevens Yeah, I'm using similar workaround as well. But it would be ideal if we can avoid the copy."
] | 2025-09-12T18:32:49 | 2025-10-13T14:39:48 | 2025-10-13T14:39:48 | NONE | null | null | null | null | ### Describe the bug
`from_polars` dataset cannot cast column to Image/Audio/Video, while it works on `from_pandas` and `from_dict`
### Steps to reproduce the bug
```python3
import datasets
import pandas as pd
import polars as pl
image_path = "./sample.png"
# polars
df = pl.DataFrame({"image_path": [image_path]})
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https://api.github.com/repos/huggingface/datasets/issues/6611 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6611/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6611/comments | https://api.github.com/repos/huggingface/datasets/issues/6611/events | https://github.com/huggingface/datasets/issues/6611 | 2,096,004,858 | I_kwDODunzps587n76 | 6,611 | `load_from_disk` with large dataset from S3 runs into `botocore.exceptions.ClientError` | {
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When loading a large dataset (>1000GB) from S3 I run into the following error:
```
Traceback (most recent call last):
File "/home/alp/.local/lib/python3.10/site-packages/s3fs/core.py", line 113, in _error_wrapper
return await func(*args, **kwargs)
File "/home/alp/.local/lib/python3.... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7556 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7556/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7556/comments | https://api.github.com/repos/huggingface/datasets/issues/7556/events | https://github.com/huggingface/datasets/pull/7556 | 3,043,615,210 | PR_kwDODunzps6VJlTR | 7,556 | Add `--merge-pull-request` option for `convert_to_parquet` | {
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"This is ready for a review, happy to make any changes. The main question for maintainers is how this should interact with #7555. If my suggestion there is accepted, this PR can be kept as is. If not, more changes are required to merge all the PR parts.",
"Closing since convert to parquet has been removed... http... | 2025-05-06T18:05:05 | 2025-07-18T19:09:10 | 2025-07-18T19:09:10 | CONTRIBUTOR | null | null | false | {
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} | Closes #7527
Note that this implementation **will only merge the last PR in the case that they get split up by `push_to_hub`**. See https://github.com/huggingface/datasets/discussions/7555 for more details. | {
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https://api.github.com/repos/huggingface/datasets/issues/7362 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7362/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7362/comments | https://api.github.com/repos/huggingface/datasets/issues/7362/events | https://github.com/huggingface/datasets/issues/7362 | 2,773,731,829 | I_kwDODunzps6lU8n1 | 7,362 | HuggingFace CLI dataset download raises error | {
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"I got the same error and was able to resolve it by upgrading from 2.15.0 to 3.2.0.",
"> I got the same error and was able to resolve it by upgrading from 2.15.0 to 3.2.0.\r\n\r\nWhat is needed is upgrading `huggingface-hub==0.27.1`. `datasets` does not appear to have anything to do with the error. The upgrade is... | 2025-01-07T21:03:30 | 2025-01-08T15:00:37 | 2025-01-08T14:35:52 | NONE | null | null | null | null | ### Describe the bug
Trying to download Hugging Face datasets using Hugging Face CLI raises error. This error only started after December 27th, 2024. For example:
```
huggingface-cli download --repo-type dataset gboleda/wikicorpus
Traceback (most recent call last):
File "/home/ubuntu/test_venv/bin/huggingface... | {
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https://api.github.com/repos/huggingface/datasets/issues/7820 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7820/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7820/comments | https://api.github.com/repos/huggingface/datasets/issues/7820/events | https://github.com/huggingface/datasets/pull/7820 | 3,518,633,577 | PR_kwDODunzps6t6suZ | 7,820 | Keep hffs cache in workers when streaming | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7820). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-15T15:51:28 | 2025-10-17T09:59:17 | 2025-10-17T09:59:16 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | (and also reorder the hffs args to improve caching)
When using `DataLoader(iterable_dataset, num_workers=...)` the dataset is pickled and passed to the worker. However previously the resulting dataset would be in a process with an empty hffs cache. By keeping the cache attached to `IterableDataset`, the cached hffs ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6241 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6241/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6241/comments | https://api.github.com/repos/huggingface/datasets/issues/6241/events | https://github.com/huggingface/datasets/pull/6241 | 1,896,429,694 | PR_kwDODunzps5aVfl- | 6,241 | Remove unused global variables in `audio.py` | {
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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... | 2023-09-14T12:06:32 | 2023-09-15T15:57:10 | 2023-09-15T15:46:07 | COLLABORATOR | null | null | false | {
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