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https://api.github.com/repos/huggingface/datasets/issues/6624 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6624/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6624/comments | https://api.github.com/repos/huggingface/datasets/issues/6624/events | https://github.com/huggingface/datasets/issues/6624 | 2,103,950,718 | I_kwDODunzps59Z71- | 6,624 | How to download the laion-coco dataset | {
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"Hi, this dataset has been disabled by the authors, so unfortunately it's no longer possible to download it."
] | 2024-01-28T03:56:05 | 2024-02-06T09:43:31 | 2024-02-06T09:43:31 | NONE | null | null | null | null | The laion coco dataset is not available now. How to download it
https://huggingface.co/datasets/laion/laion-coco | {
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https://api.github.com/repos/huggingface/datasets/issues/6303 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6303/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6303/comments | https://api.github.com/repos/huggingface/datasets/issues/6303/events | https://github.com/huggingface/datasets/issues/6303 | 1,943,466,532 | I_kwDODunzps5z1vIk | 6,303 | Parquet uploads off-by-one naming scheme | {
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"You can find the reasoning behind this naming scheme [here](https://github.com/huggingface/transformers/pull/16343#discussion_r931182168).\r\n\r\nThis point has been raised several times, so I'd be okay with starting with `00001-` (also to be consistent with the `transformers` sharding), but I'm not sure @lhoestq ... | 2023-10-14T18:31:03 | 2023-10-16T16:33:21 | null | CONTRIBUTOR | null | null | null | null | ### Describe the bug
I noticed this numbering scheme not matching up in a different project and wanted to raise it as an issue for discussion, what is the actual proper way to have these stored?
<img width="425" alt="image" src="https://github.com/huggingface/datasets/assets/1981179/3ffa2144-7c9a-446f-b521-a5e9db71... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7373 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7373/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7373/comments | https://api.github.com/repos/huggingface/datasets/issues/7373/events | https://github.com/huggingface/datasets/issues/7373 | 2,793,237,139 | I_kwDODunzps6mfWqT | 7,373 | Excessive RAM Usage After Dataset Concatenation concatenate_datasets | {
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"\n\n\n\nAdding a img from memray\nhttps://gist.github.com/sam-hey/00c958f13fb0f7b54d17197fe353002f",
"I'm having the same issue where c... | 2025-01-16T16:33:10 | 2025-03-27T17:40:59 | null | NONE | null | null | null | null | ### Describe the bug
When loading a dataset from disk, concatenating it, and starting the training process, the RAM usage progressively increases until the kernel terminates the process due to excessive memory consumption.
https://github.com/huggingface/datasets/issues/2276
### Steps to reproduce the bug
```python
... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7755 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7755/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7755/comments | https://api.github.com/repos/huggingface/datasets/issues/7755/events | https://github.com/huggingface/datasets/pull/7755 | 3,386,079,181 | PR_kwDODunzps6m-MTU | 7,755 | Support pathlib.Path for feature input | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7755). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-09-05T02:38:07 | 2025-09-10T15:19:35 | 2025-09-10T15:19:35 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7052 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7052/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7052/comments | https://api.github.com/repos/huggingface/datasets/issues/7052/events | https://github.com/huggingface/datasets/pull/7052 | 2,411,682,730 | PR_kwDODunzps51iuop | 7,052 | Adding `Music` feature for symbolic music modality (MIDI, abc) | {
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} | ⚠️ (WIP) ⚠️
### What this PR does
This PR adds a `Music` feature for the symbolic music modality, in particular [MIDI](https://en.wikipedia.org/wiki/Musical_Instrument_Digital_Interface) and [abc](https://en.wikipedia.org/wiki/ABC_notation) files.
### Motivations
These two file formats are widely used in th... | {
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https://api.github.com/repos/huggingface/datasets/issues/6961 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6961/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6961/comments | https://api.github.com/repos/huggingface/datasets/issues/6961/events | https://github.com/huggingface/datasets/issues/6961 | 2,342,022,418 | I_kwDODunzps6LmG0S | 6,961 | Manual downloads should count as downloads | {
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"We're unlikely to add more features/support for datasets with python loading scripts, which include datasets with manual download. Sorry for the inconvenience"
] | 2024-06-09T04:52:06 | 2024-06-13T16:05:00 | null | NONE | null | null | null | null | ### Feature request
I would like to request that manual downloads of data files from Hugging Face dataset repositories count as downloads of a dataset. According to the documentation for the Hugging Face Hub, that is currently not the case: https://huggingface.co/docs/hub/en/datasets-download-stats
### Motivation
Th... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7100 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7100/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7100/comments | https://api.github.com/repos/huggingface/datasets/issues/7100/events | https://github.com/huggingface/datasets/issues/7100 | 2,465,529,414 | I_kwDODunzps6S9P5G | 7,100 | IterableDataset: cannot resolve features from list of numpy arrays | {
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"Assign this issue to me under Hacktoberfest with hacktoberfest label inserted on the issue"
] | 2024-08-14T11:01:51 | 2024-10-03T05:47:23 | null | NONE | null | null | null | null | ### Describe the bug
when resolve features of `IterableDataset`, got `pyarrow.lib.ArrowInvalid: Can only convert 1-dimensional array values` error.
```
Traceback (most recent call last):
File "test.py", line 6
iter_ds = iter_ds._resolve_features()
File "lib/python3.10/site-packages/datasets/iterable_dat... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7193 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7193/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7193/comments | https://api.github.com/repos/huggingface/datasets/issues/7193/events | https://github.com/huggingface/datasets/issues/7193 | 2,562,392,887 | I_kwDODunzps6YuwM3 | 7,193 | Support of num_workers (multiprocessing) in map for IterableDataset | {
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"I was curious about the same - since map is applied on the fly I was assuming that setting num_workers>1 in DataLoader would effectively do the map in parallel, have you tried that?"
] | 2024-10-02T18:34:04 | 2024-10-03T09:54:15 | null | NONE | null | null | null | null | ### Feature request
Currently, IterableDataset doesn't support setting num_worker in .map(), which results in slow processing here. Could we add support for it? As .map() can be run in the batch fashion (e.g., batch_size is default to 1000 in datasets), it seems to be doable for IterableDataset as the regular Dataset.... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6538 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6538/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6538/comments | https://api.github.com/repos/huggingface/datasets/issues/6538/events | https://github.com/huggingface/datasets/issues/6538 | 2,057,377,630 | I_kwDODunzps56oRde | 6,538 | ImportError: cannot import name 'SchemaInferenceError' from 'datasets.arrow_writer' (/opt/conda/lib/python3.10/site-packages/datasets/arrow_writer.py) | {
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"Hi ! Are you sure you have `datasets` 2.16 ? I just checked and on 2.16 I can run `from datasets.arrow_writer import SchemaInferenceError` without error",
"I have the same issue - using with datasets version 2.16.1. Also this is on a kaggle notebook - other people with the same issue also seem to be having it on... | 2023-12-27T13:31:16 | 2024-01-03T10:06:47 | 2024-01-03T10:04:58 | NONE | null | null | null | null | ### Describe the bug
While importing from packages getting the error
Code:
```
import os
import torch
from datasets import load_dataset, Dataset
from transformers import (
AutoModelForCausalLM,
AutoTokenizer,
BitsAndBytesConfig,
HfArgumentParser,
TrainingArguments,
pipeline,
... | {
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https://api.github.com/repos/huggingface/datasets/issues/6715 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6715/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6715/comments | https://api.github.com/repos/huggingface/datasets/issues/6715/events | https://github.com/huggingface/datasets/pull/6715 | 2,167,747,095 | PR_kwDODunzps5oo36i | 6,715 | Fix sliced ConcatenationTable pickling with mixed schemas vertically | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6715). 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>... | 2024-03-04T21:02:07 | 2024-03-05T11:23:05 | 2024-03-05T11:17:04 | MEMBER | null | null | false | {
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This can lead to issues when saving datasets from a concatenation of datasets with mixed schemas
Reported in https://discuss.huggingface.co/t/da... | {
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https://api.github.com/repos/huggingface/datasets/issues/7563 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7563/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7563/comments | https://api.github.com/repos/huggingface/datasets/issues/7563/events | https://github.com/huggingface/datasets/pull/7563 | 3,046,351,253 | PR_kwDODunzps6VS0QL | 7,563 | set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7563). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-05-07T15:18:29 | 2025-05-07T15:21:05 | 2025-05-07T15:18:36 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7159 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7159/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7159/comments | https://api.github.com/repos/huggingface/datasets/issues/7159/events | https://github.com/huggingface/datasets/issues/7159 | 2,541,865,613 | I_kwDODunzps6XgcqN | 7,159 | JSON lines with missing struct fields raise TypeError: Couldn't cast array | {
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"Hello,\r\n\r\nI have still the same issue when loading the dataset with the new version:\r\n[https://huggingface.co/datasets/wikimedia/structured-wikipedia/discussions/5](https://huggingface.co/datasets/wikimedia/structured-wikipedia/discussions/5)\r\n\r\nI have downloaded and unzipped the wikimedia/structured-wik... | 2024-09-23T07:57:58 | 2024-10-21T08:07:07 | 2024-09-23T11:09:18 | MEMBER | null | null | null | null | JSON lines with missing struct fields raise TypeError: Couldn't cast array of type.
See example: https://huggingface.co/datasets/wikimedia/structured-wikipedia/discussions/5
One would expect that the struct missing fields are added with null values. | {
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https://api.github.com/repos/huggingface/datasets/issues/7238 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7238/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7238/comments | https://api.github.com/repos/huggingface/datasets/issues/7238/events | https://github.com/huggingface/datasets/issues/7238 | 2,598,409,993 | I_kwDODunzps6a4JcJ | 7,238 | incompatibily issue when using load_dataset with datasets==3.0.1 | {
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"Hi! I'm also getting the same issue - have you been able to find a solution to this? ",
"From what I remember, I stayed at the \"downgraded\" version of dataset (2.21.0)"
] | 2024-10-18T21:25:23 | 2024-12-09T09:49:32 | null | NONE | null | null | null | null | ### Describe the bug
There is a bug when using load_dataset with dataset version at 3.0.1 .
Please see below in the "steps to reproduce the bug".
To resolve the bug, I had to downgrade to version 2.21.0
OS: Ubuntu 24 (AWS instance)
Python: same bug under 3.12 and 3.10
The error I had was:
Traceback (most rec... | null | {
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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/7761 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7761/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7761/comments | https://api.github.com/repos/huggingface/datasets/issues/7761/events | https://github.com/huggingface/datasets/pull/7761 | 3,402,787,999 | PR_kwDODunzps6n1bls | 7,761 | Audio: use TorchCodec instead of Soundfile for encoding | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7761). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-09-10T14:47:07 | 2025-09-10T15:09:36 | 2025-09-10T15:09:35 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7793 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7793/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7793/comments | https://api.github.com/repos/huggingface/datasets/issues/7793/events | https://github.com/huggingface/datasets/issues/7793 | 3,459,496,971 | I_kwDODunzps7OM7wL | 7,793 | Cannot load dataset, fails with nested data conversions not implemented for chunked array outputs | {
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"Hey @neevparikh,\nThanks for reporting this! I can reproduce the issue and have identified the root cause.\nProblem: The metr-evals/malt-public dataset contains deeply nested conversation data that exceeds PyArrow's 16MB chunk limit. When PyArrow tries to read it in chunks, it hits a fundamental limitation: \"Nest... | 2025-09-27T01:03:12 | 2025-09-27T21:35:31 | null | NONE | null | null | null | null | ### Describe the bug
Hi! When I load this dataset, it fails with a pyarrow error. I'm using datasets 4.1.1, though I also see this with datasets 4.1.2
To reproduce:
```
import datasets
ds = datasets.load_dataset(path="metr-evals/malt-public", name="irrelevant_detail")
```
Error:
```
Traceback (most recent call las... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6539 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6539/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6539/comments | https://api.github.com/repos/huggingface/datasets/issues/6539/events | https://github.com/huggingface/datasets/issues/6539 | 2,058,493,960 | I_kwDODunzps56siAI | 6,539 | 'Repo card metadata block was not found' when loading a pragmeval dataset | {
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I can't load dataset subsets of 'pragmeval'.
The funny thing is I ran the dataset author's [colab notebook](https://colab.research.google.com/drive/1sg--LF4z7XR1wxAOfp0-3d4J6kQ9nj_A?usp=sharing) and it works just fine. I tried to install exactly the same packages that are installed on colab usi... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7132 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7132/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7132/comments | https://api.github.com/repos/huggingface/datasets/issues/7132/events | https://github.com/huggingface/datasets/pull/7132 | 2,494,510,464 | PR_kwDODunzps551k1C | 7,132 | Fix data file module inference | {
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"Hi ! datasets saved using `save_to_disk` should be loaded with `load_from_disk` ;)",
"It is convienient to just pass in a path to a local dataset or one from the hub and use the same function to load it. Is it not possible to get this fix merged in to allow this? ",
"We can modify `save_to_disk` to write the d... | 2024-08-29T13:48:16 | 2024-09-02T19:52:13 | null | NONE | null | null | false | {
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} | I saved a dataset with two splits to disk with `DatasetDict.save_to_disk`. The train is bigger and ended up in 10 shards, whereas the test split only resulted in 1 split.
Now when trying to load the dataset, an error is raised that not all splits have the same data format:
> ValueError: Couldn't infer the same da... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6177 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6177/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6177/comments | https://api.github.com/repos/huggingface/datasets/issues/6177/events | https://github.com/huggingface/datasets/pull/6177 | 1,865,490,962 | PR_kwDODunzps5Ytky- | 6,177 | Use object detection images from `huggingface/documentation-images` | {
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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... | 2023-08-24T16:16:09 | 2023-08-25T16:30:00 | 2023-08-25T16:21:17 | COLLABORATOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/5897 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5897/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5897/comments | https://api.github.com/repos/huggingface/datasets/issues/5897/events | https://github.com/huggingface/datasets/pull/5897 | 1,726,135,494 | PR_kwDODunzps5RXJaY | 5,897 | Fix `FixedSizeListArray` casting | {
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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... | 2023-05-25T16:26:33 | 2023-05-26T12:22:04 | 2023-05-26T11:57:16 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/5... | Fix cast on sliced `FixedSizeListArray`s.
Fix #5866 | {
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https://api.github.com/repos/huggingface/datasets/issues/6957 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6957/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6957/comments | https://api.github.com/repos/huggingface/datasets/issues/6957/events | https://github.com/huggingface/datasets/pull/6957 | 2,335,559,400 | PR_kwDODunzps5xiTwJ | 6,957 | Fix typos in docs | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6957). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-05T10:46:47 | 2024-06-05T13:01:07 | 2024-06-05T12:43:26 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Fix typos in docs introduced by:
- #6956
Typos:
- `comparisions` => `comparisons`
- two consecutive sentences both ending in colon
- split one sentence into two
Sorry, I did not have time to review that PR.
CC: @lhoestq | {
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https://api.github.com/repos/huggingface/datasets/issues/6370 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6370/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6370/comments | https://api.github.com/repos/huggingface/datasets/issues/6370/events | https://github.com/huggingface/datasets/issues/6370 | 1,972,073,909 | I_kwDODunzps51i3W1 | 6,370 | TensorDataset format does not work with Trainer from transformers | {
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"I figured it out. I found that `Trainer` does not work with TensorDataset even though the document says it uses it. Instead, I ended up creating a dictionary and converting it to a dataset using `dataset.Dataset.from_dict()`.\r\n\r\nI will leave this post open for a while. If someone knows a better approach, pleas... | 2023-11-01T10:09:54 | 2023-11-29T16:31:08 | 2023-11-29T16:31:08 | NONE | null | null | null | null | ### Describe the bug
The model was built to do fine tunning on BERT model for relation extraction.
trainer.train() returns an error message ```TypeError: vars() argument must have __dict__ attribute``` when it has `train_dataset` generated from `torch.utils.data.TensorDataset`
However, in the document, the req... | {
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https://api.github.com/repos/huggingface/datasets/issues/7750 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7750/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7750/comments | https://api.github.com/repos/huggingface/datasets/issues/7750/events | https://github.com/huggingface/datasets/pull/7750 | 3,357,275,291 | PR_kwDODunzps6lfwcx | 7,750 | Refactor: use unpacking in load.py for time and memory improvement | {
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} | In `src/datasets/load.py`, we can use unpacking rather than concatenating two lists for improved time and memory performance. It’s a small improvement in absolute terms, but a consistent and measurable one:
```diff
- ALL_ALLOWED_EXTENSIONS = list(_EXTENSION_TO_MODULE.keys()) + [".zip"]
+ ALL_ALLOWED_EXTENSIONS = [... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7753 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7753/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7753/comments | https://api.github.com/repos/huggingface/datasets/issues/7753/events | https://github.com/huggingface/datasets/issues/7753 | 3,381,831,487 | I_kwDODunzps7Jkqc_ | 7,753 | datasets massively slows data reads, even in memory | {
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"Hi ! you should try\n\n```python\nfrom datasets import Array3D, Dataset, Features, Value\n\nfeatures = Features({\"image\": Array3D(shape=(3, 224, 224), dtype=\"uint8\"), \"label\": Value(\"uint8\")})\nhf_dataset = Dataset.from_dict({'image': images, 'label':labels}, features=features)\n```\n\notherwise the type o... | 2025-09-04T01:45:24 | 2025-09-18T22:08:51 | null | NONE | null | null | null | null | ### Describe the bug
Loading image data in a huggingface dataset results in very slow read speeds, approximately 1000 times longer than reading the same data from a pytorch dataset. This applies even when the dataset is loaded into RAM using a `keep_in_memory=True` flag.
The following script reproduces the result wit... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6968 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6968/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6968/comments | https://api.github.com/repos/huggingface/datasets/issues/6968/events | https://github.com/huggingface/datasets/pull/6968 | 2,351,331,417 | PR_kwDODunzps5yX7Qr | 6,968 | Use `HF_HUB_OFFLINE` instead of `HF_DATASETS_OFFLINE` | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6968). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Oops, sorry for the style issue. Fixed in https://github.com/huggingface/datasets/pull/... | 2024-06-13T14:39:40 | 2024-06-13T17:31:37 | 2024-06-13T17:25:37 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | To use `datasets` offline, one can use the `HF_DATASETS_OFFLINE` environment variable. This PR makes `HF_HUB_OFFLINE` the recommended environment variable for offline training. Goal is to be more consistent with the rest of HF ecosystem and have a single config value to set.
The changes are backward-compatible meani... | {
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https://api.github.com/repos/huggingface/datasets/issues/5934 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5934/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5934/comments | https://api.github.com/repos/huggingface/datasets/issues/5934/events | https://github.com/huggingface/datasets/pull/5934 | 1,747,904,840 | PR_kwDODunzps5ShUxQ | 5,934 | Modify levels of some logging messages | {
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"I've addressed this as part of #6019, so feel free to close this PR. ",
"Thanks !"
] | 2023-06-08T13:31:44 | 2023-07-12T18:21:03 | 2023-07-12T18:21:02 | CONTRIBUTOR | null | null | false | {
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} | Some warning messages didn't quite sound like warnings so I modified their logging levels to info. | {
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https://api.github.com/repos/huggingface/datasets/issues/6301 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6301/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6301/comments | https://api.github.com/repos/huggingface/datasets/issues/6301/events | https://github.com/huggingface/datasets/pull/6301 | 1,940,183,999 | PR_kwDODunzps5cpPVh | 6,301 | Unpin `tensorflow` maximum version | {
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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... | 2023-10-12T14:58:07 | 2023-10-12T15:58:20 | 2023-10-12T15:49:54 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Removes the temporary pin introduced in #6264 | {
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https://api.github.com/repos/huggingface/datasets/issues/7004 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7004/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7004/comments | https://api.github.com/repos/huggingface/datasets/issues/7004/events | https://github.com/huggingface/datasets/pull/7004 | 2,376,064,264 | PR_kwDODunzps5zrIYR | 7,004 | Fix WebDatasets KeyError for user-defined Features when a field is missing in an example | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7004). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-26T18:58:05 | 2024-06-29T00:15:49 | 2024-06-28T09:30:12 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fixes: https://github.com/huggingface/datasets/issues/6900
Not sure if this needs any addition stuff before merging | {
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https://api.github.com/repos/huggingface/datasets/issues/7831 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7831/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7831/comments | https://api.github.com/repos/huggingface/datasets/issues/7831/events | https://github.com/huggingface/datasets/pull/7831 | 3,552,081,727 | PR_kwDODunzps6vp0pz | 7,831 | resolves the ValueError: Unable to avoid copy while creating an array | {
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"## Also i have done some tests on real dataset\r\n\r\n### Tested with real datasets:\r\n- ✅ IMDB dataset with NumPy 1.26.4 and 2.3.4\r\n- ✅ Rotten Tomatoes dataset with NumPy 1.26.4 and 2.3.4\r\n- ✅ Artificial datasets with ClassLabel features\r\n\r\n### Results:\r\n- Stratified splits work correctly in both NumPy... | 2025-10-25T08:13:54 | 2025-10-29T06:35:32 | 2025-10-28T16:10:43 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | ## Summary
Fixes #7818
This PR resolves the `ValueError: Unable to avoid copy while creating an array` error that occurs when using `train_test_split` with `stratify_by_column` parameter in NumPy 2.0+.
## Changes
- Wrapped the stratify column array access with `np.asarray()` in `arrow_dataset.py`
- This allow... | {
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https://api.github.com/repos/huggingface/datasets/issues/7454 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7454/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7454/comments | https://api.github.com/repos/huggingface/datasets/issues/7454/events | https://github.com/huggingface/datasets/pull/7454 | 2,920,760,793 | PR_kwDODunzps6Os6bx | 7,454 | set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7454). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-03-14T16:48:19 | 2025-03-14T16:50:31 | 2025-03-14T16:48:28 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6065 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6065/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6065/comments | https://api.github.com/repos/huggingface/datasets/issues/6065/events | https://github.com/huggingface/datasets/pull/6065 | 1,819,334,932 | PR_kwDODunzps5WR8jI | 6,065 | Add column type guessing from map return function | {
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"Thanks for working on this. However, having thought about this issue a bit more, supporting this doesn't seem like a good idea - it's better to be explicit than implicit, according to the Zen of Python 🙂. Also, I don't think many users would use this, so this raises the question of whether this is something we wa... | 2023-07-25T00:34:17 | 2023-07-26T15:13:45 | 2023-07-26T15:13:44 | NONE | null | null | false | {
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} | As discussed [here](https://github.com/huggingface/datasets/issues/5965), there are some cases where datasets is unable to automatically promote columns during mapping. The fix is to explicitly provide a `features` definition so pyarrow can configure itself with the right column types from the outset.
This PR provid... | {
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https://api.github.com/repos/huggingface/datasets/issues/6051 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6051/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6051/comments | https://api.github.com/repos/huggingface/datasets/issues/6051/events | https://github.com/huggingface/datasets/issues/6051 | 1,811,549,650 | I_kwDODunzps5r-g3S | 6,051 | Skipping shard in the remote repo and resume upload | {
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"Hi! `_select_contiguous` fetches a (zero-copy) slice of the dataset's Arrow table to build a shard, so I don't think this part is the problem. To me, the issue seems to be the step where we embed external image files' bytes (a lot of file reads). You can use `.map` with multiprocessing to perform this step before ... | 2023-07-19T09:25:26 | 2023-07-20T18:16:01 | 2023-07-20T18:16:00 | NONE | null | null | null | null | ### Describe the bug
For some reason when I try to resume the upload of my dataset, it is very slow to reach the index of the shard from which to resume the uploading.
From my understanding, the problem is in this part of the code:
arrow_dataset.py
```python
for index, shard in logging.tqdm(
enume... | {
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https://api.github.com/repos/huggingface/datasets/issues/7015 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7015/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7015/comments | https://api.github.com/repos/huggingface/datasets/issues/7015/events | https://github.com/huggingface/datasets/pull/7015 | 2,383,151,220 | PR_kwDODunzps50CJuE | 7,015 | add split argument to Generator | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7015). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"@albertvillanova thanks for the review, please take a look",
"@albertvillanova please... | 2024-07-01T08:09:25 | 2024-07-26T09:37:51 | 2024-07-26T09:31:56 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | ## Actual
When creating a multi-split dataset using generators like
```python
datasets.DatasetDict({
"val": datasets.Dataset.from_generator(
generator=generator_val,
features=features
),
"test": datasets.Dataset.from_generator(
generator=generator_test,
features=features,
... | {
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https://api.github.com/repos/huggingface/datasets/issues/7805 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7805/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7805/comments | https://api.github.com/repos/huggingface/datasets/issues/7805/events | https://github.com/huggingface/datasets/pull/7805 | 3,499,286,947 | PR_kwDODunzps6s52Ew | 7,805 | Less api calls when resolving data_files | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7805). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-09T13:53:06 | 2025-10-09T14:01:57 | 2025-10-09T14:01:56 | MEMBER | null | null | false | {
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I disabled multithreading, which was actually not useful anymore since `HfFileSystem` has been using caching for a while now. | {
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https://api.github.com/repos/huggingface/datasets/issues/6224 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6224/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6224/comments | https://api.github.com/repos/huggingface/datasets/issues/6224/events | https://github.com/huggingface/datasets/pull/6224 | 1,886,043,692 | PR_kwDODunzps5Zym3j | 6,224 | Ignore `dataset_info.json` in data files resolution | {
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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... | 2023-09-07T14:43:51 | 2023-09-07T15:46:10 | 2023-09-07T15:37:20 | COLLABORATOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7021 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7021/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7021/comments | https://api.github.com/repos/huggingface/datasets/issues/7021/events | https://github.com/huggingface/datasets/pull/7021 | 2,387,948,935 | PR_kwDODunzps50SlKR | 7,021 | Fix casting list array to fixed size list | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7021). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-07-03T07:58:57 | 2024-07-03T08:47:49 | 2024-07-03T08:41:55 | MEMBER | null | null | false | {
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This bug was introduced in [datasets-2.17.0](https://github.com/huggingface/datasets/releases/tag/2.17.0) by PR: https://github.com/huggingface/datasets/pull/6283/files#diff-1cb2b66aa9311d729cfd83013dad56cf5afcda35b39dfd0bfe9c3813a049eab0R1899
- #6283
Fix #7020. | {
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https://api.github.com/repos/huggingface/datasets/issues/6076 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6076/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6076/comments | https://api.github.com/repos/huggingface/datasets/issues/6076/events | https://github.com/huggingface/datasets/pull/6076 | 1,822,345,597 | PR_kwDODunzps5WcGVR | 6,076 | No gzip encoding from github | {
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fix https://huggingface.co/datasets/code_x_glue_cc_code_to_code_trans/discussions/2#64c0e0c1a04a514ba6303e84
and making sure https://github.com/huggingface/datasets/issues/2918 works as well | {
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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/7692 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7692/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7692/comments | https://api.github.com/repos/huggingface/datasets/issues/7692/events | https://github.com/huggingface/datasets/issues/7692 | 3,246,268,635 | I_kwDODunzps7BfiDb | 7,692 | xopen: invalid start byte for streaming dataset with trust_remote_code=True | {
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"Hi ! it would be cool to convert this dataset to Parquet. This will make it work for `datasets>=4.0`, enable the Dataset Viewer and make it more reliable to load/stream (currently it uses a loading script in python and those are known for having issues sometimes)\n\nusing `datasets==3.6.0`, here is the command to ... | 2025-07-20T11:08:20 | 2025-07-25T14:38:54 | null | NONE | null | null | null | null | ### Describe the bug
I am trying to load YODAS2 dataset with datasets==3.6.0
```
from datasets import load_dataset
next(iter(load_dataset('espnet/yodas2', name='ru000', split='train', streaming=True, trust_remote_code=True)))
```
And get `UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa8 in position 1: invalid ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6932 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6932/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6932/comments | https://api.github.com/repos/huggingface/datasets/issues/6932/events | https://github.com/huggingface/datasets/pull/6932 | 2,324,729,267 | PR_kwDODunzps5w9d7w | 6,932 | Update dataset_dict.py | {
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"thanks !",
"<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_bat... | 2024-05-30T05:22:35 | 2024-06-04T12:56:20 | 2024-06-04T12:50:13 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7241 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7241/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7241/comments | https://api.github.com/repos/huggingface/datasets/issues/7241/events | https://github.com/huggingface/datasets/issues/7241 | 2,599,899,156 | I_kwDODunzps6a91AU | 7,241 | `push_to_hub` overwrite argument | {
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"Hi ! Do you mean deleting all the files ? or erasing the repository git history before push_to_hub ?",
"Hi! I meant the latter.",
"I don't think there is a `huggingface_hub` utility to erase the git history, cc @Wauplin maybe ?",
"What is the goal exactly of deleting all the git history without deleting the ... | 2024-10-20T03:23:26 | 2024-10-24T17:39:08 | 2024-10-24T17:39:08 | NONE | null | null | null | null | ### Feature request
Add an `overwrite` argument to the `push_to_hub` method.
### Motivation
I want to overwrite a repo without deleting it on Hugging Face. Is this possible? I couldn't find anything in the documentation or tutorials.
### Your contribution
I can create a PR. | {
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https://api.github.com/repos/huggingface/datasets/issues/7650 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7650/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7650/comments | https://api.github.com/repos/huggingface/datasets/issues/7650/events | https://github.com/huggingface/datasets/issues/7650 | 3,182,745,315 | I_kwDODunzps69tNbj | 7,650 | `load_dataset` defaults to json file format for datasets with 1 shard | {
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I currently have multiple datasets (train+validation) saved as 50MB shards. For one dataset the validation pair is small enough to fit into a single shard and this apparently causes problems when loading the dataset. I created the datasets using a DatasetDict, saved them as 50MB arrow files for st... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7760 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7760/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7760/comments | https://api.github.com/repos/huggingface/datasets/issues/7760/events | https://github.com/huggingface/datasets/issues/7760 | 3,401,799,485 | I_kwDODunzps7Kw1c9 | 7,760 | Hugging Face Hub Dataset Upload CAS Error | {
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"cc @jsulz maybe ?",
"Curious! I took a look at this and was unable to see why this would be occurring on our side. Tagging in @jgodlew and @bpronan since they might have insights. \n\n@n-bkoe just a few questions if you wouldn't mind: \n1. What kind of data are you uploading and what is the difference in file si... | 2025-09-10T10:01:19 | 2025-09-16T20:01:36 | null | NONE | null | null | null | null | ### Describe the bug
Experiencing persistent 401 Unauthorized errors when attempting to upload datasets to Hugging Face Hub using the `datasets` library. The error occurs specifically with the CAS (Content Addressable Storage) service during the upload process. Tried using HF_HUB_DISABLE_XET=1. It seems to work for sm... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6246 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6246/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6246/comments | https://api.github.com/repos/huggingface/datasets/issues/6246/events | https://github.com/huggingface/datasets/issues/6246 | 1,899,848,414 | I_kwDODunzps5xPWLe | 6,246 | Add new column to dataset | {
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"I think it's an issue with the code.\r\n\r\nSpecifically:\r\n```python\r\ndataset = dataset['train'].add_column(\"/workspace/data\", new_column)\r\n```\r\n\r\nNow `dataset` is the train set with a new column. \r\nTo fix this, you can do:\r\n\r\n```python\r\ndataset['train'] = dataset['train'].add_column(\"/workspa... | 2023-09-17T16:59:48 | 2023-09-18T16:20:09 | 2023-09-18T16:20:09 | NONE | null | null | null | null | ### Describe the bug
```
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
[<ipython-input-9-bd197b36b6a0>](https://localhost:8080/#) in <cell line: 1>()
----> 1 dataset['train']['/workspace/data']
3 frames
[/... | {
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https://api.github.com/repos/huggingface/datasets/issues/6443 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6443/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6443/comments | https://api.github.com/repos/huggingface/datasets/issues/6443/events | https://github.com/huggingface/datasets/issues/6443 | 2,006,568,368 | I_kwDODunzps53mc2w | 6,443 | Trouble loading files defined in YAML explicitly | {
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"There is a typo in one of the file names - `data/edf.csv` should be renamed to `data/def.csv` 🙂. ",
"wow, I reviewed it twice to avoid being ashamed like that, but... I didn't notice the typo.\r\n\r\n---\r\n\r\nBesides this: do you think we would be able to improve the error message to make this clearer?",
"H... | 2023-11-22T15:18:10 | 2025-06-23T13:46:46 | null | COLLABORATOR | null | null | null | null | Look at https://huggingface.co/datasets/severo/doc-yaml-2
It's a reproduction of the example given in the docs at https://huggingface.co/docs/hub/datasets-manual-configuration
```
You can select multiple files per split using a list of paths:
my_dataset_repository/
├── README.md
├── data/
│ ├── abc.csv
... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7215 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7215/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7215/comments | https://api.github.com/repos/huggingface/datasets/issues/7215/events | https://github.com/huggingface/datasets/issues/7215 | 2,579,942,939 | I_kwDODunzps6Zxs4b | 7,215 | Iterable dataset map with explicit features causes slowdown for Sequence features | {
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When performing map, it's nice to be able to pass the new feature type, and indeed required by interleave and concatenate datasets.
However, this can cause a major slowdown for certain types of array features due to the features being re-encoded.
This is separate to the slowdown reported i... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6673 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6673/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6673/comments | https://api.github.com/repos/huggingface/datasets/issues/6673/events | https://github.com/huggingface/datasets/issues/6673 | 2,139,522,827 | I_kwDODunzps5_hocL | 6,673 | IterableDataset `set_epoch` is ignored when DataLoader `persistent_workers=True` | {
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When persistent workers are enabled, the epoch that's set via the IterableDataset instance held by the training process is ignored by the workers as they are disconnected across processes.
PyTorch samplers for non-iterable datasets have a mechanism to sync this, datasets.IterableDataset does ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6147 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6147/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6147/comments | https://api.github.com/repos/huggingface/datasets/issues/6147/events | https://github.com/huggingface/datasets/issues/6147 | 1,848,914,830 | I_kwDODunzps5uNDOO | 6,147 | ValueError when running BeamBasedBuilder with GCS path in cache_dir | {
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"The cause of the error seems to be that `datasets` adds \"gcs://\" as a schema, while `beam` checks only \"gs://\".\r\n\r\ndatasets: https://github.com/huggingface/datasets/blob/c02a44715c036b5261686669727394b1308a3a4b/src/datasets/builder.py#L822\r\n\r\nbeam: [link](https://github.com/apache/beam/blob/25e1a64641b... | 2023-08-14T03:11:34 | 2024-03-18T16:59:15 | 2024-03-18T16:59:14 | NONE | null | null | null | null | ### Describe the bug
When running the BeamBasedBuilder with a GCS path specified in the cache_dir, the following ValueError occurs:
```
ValueError: Unable to get filesystem from specified path, please use the correct path or ensure the required dependency is installed, e.g., pip install apache-beam[gcp]. Path spec... | {
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https://api.github.com/repos/huggingface/datasets/issues/6411 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6411/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6411/comments | https://api.github.com/repos/huggingface/datasets/issues/6411/events | https://github.com/huggingface/datasets/pull/6411 | 1,992,386,630 | PR_kwDODunzps5fZE9F | 6,411 | Fix dependency conflict within CI build documentation | {
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"_The documentation is not available anymore as the PR was closed or merged._"
] | 2023-11-14T09:52:51 | 2023-11-14T10:05:59 | 2023-11-14T10:05:35 | MEMBER | null | null | false | {
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This is a temporary hot fix of our CI build documentation until we stop using `apache-beam`.
Fix #6406. | {
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https://api.github.com/repos/huggingface/datasets/issues/7315 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7315/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7315/comments | https://api.github.com/repos/huggingface/datasets/issues/7315/events | https://github.com/huggingface/datasets/issues/7315 | 2,729,738,963 | I_kwDODunzps6itILT | 7,315 | Allow manual configuration of Dataset Viewer for datasets not created with the `datasets` library | {
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"Hi @diarray-hub , thanks for opening the issue :) Let me ping @lhoestq and @severo from the dataset viewer team :hugs: ",
"amazing :)",
"Hi ! why not modify the manifest.json file directly ? this way users see in the viewer the dataset as is instead which makes it easier to use using e.g. the `datasets` librar... | 2024-12-07T16:37:12 | 2024-12-11T11:05:22 | null | NONE | null | null | null | null | #### **Problem Description**
Currently, the Hugging Face Dataset Viewer automatically interprets dataset fields for datasets created with the `datasets` library. However, for datasets pushed directly via `git`, the Viewer:
- Defaults to generic columns like `label` with `null` values if no explicit mapping is provide... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6839 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6839/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6839/comments | https://api.github.com/repos/huggingface/datasets/issues/6839/events | https://github.com/huggingface/datasets/pull/6839 | 2,263,761,062 | PR_kwDODunzps5tvC1c | 6,839 | Remove token arg from CLI examples | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6839). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-04-25T14:36:58 | 2024-04-26T17:03:51 | 2024-04-26T16:57:40 | MEMBER | null | null | false | {
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Fix #6838.
CC: @Wauplin | {
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https://api.github.com/repos/huggingface/datasets/issues/7341 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7341/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7341/comments | https://api.github.com/repos/huggingface/datasets/issues/7341/events | https://github.com/huggingface/datasets/pull/7341 | 2,745,658,561 | PR_kwDODunzps6FiGlt | 7,341 | minor video docs on how to install | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7341). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
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https://api.github.com/repos/huggingface/datasets/issues/6983 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6983/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6983/comments | https://api.github.com/repos/huggingface/datasets/issues/6983/events | https://github.com/huggingface/datasets/pull/6983 | 2,361,806,201 | PR_kwDODunzps5y7tK7 | 6,983 | Remove metrics | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6983). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-19T09:08:55 | 2024-06-28T06:57:38 | 2024-06-28T06:51:30 | MEMBER | null | null | false | {
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Note they are deprecated since 2.5.0 version. | {
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https://api.github.com/repos/huggingface/datasets/issues/7246 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7246/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7246/comments | https://api.github.com/repos/huggingface/datasets/issues/7246/events | https://github.com/huggingface/datasets/pull/7246 | 2,605,734,447 | PR_kwDODunzps5_ehPi | 7,246 | Set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7246). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
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https://api.github.com/repos/huggingface/datasets/issues/6612 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6612/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6612/comments | https://api.github.com/repos/huggingface/datasets/issues/6612/events | https://github.com/huggingface/datasets/issues/6612 | 2,098,078,210 | I_kwDODunzps59DiIC | 6,612 | cnn_dailymail repeats itself | {
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"Hi ! We recently updated `cnn_dailymail` and now `datasets>=2.14` is needed to load it.\r\n\r\nYou can update `datasets` with\r\n\r\n```\r\npip install -U datasets\r\n```"
] | 2024-01-24T11:38:25 | 2024-02-01T08:14:50 | 2024-02-01T08:14:50 | NONE | null | null | null | null | ### Describe the bug
When I try to load `cnn_dailymail` dataset, it takes longer than usual and when I checked the dataset it's 3x bigger than it's supposed to be.
Check https://huggingface.co/datasets/cnn_dailymail: it says 287k rows for train. But when I check length of train split it says 861339.
Also I che... | {
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https://api.github.com/repos/huggingface/datasets/issues/7179 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7179/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7179/comments | https://api.github.com/repos/huggingface/datasets/issues/7179/events | https://github.com/huggingface/datasets/pull/7179 | 2,552,387,980 | PR_kwDODunzps585Jcd | 7,179 | Support Python 3.11 | {
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Fix #7178. | {
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https://api.github.com/repos/huggingface/datasets/issues/6945 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6945/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6945/comments | https://api.github.com/repos/huggingface/datasets/issues/6945/events | https://github.com/huggingface/datasets/pull/6945 | 2,330,224,869 | PR_kwDODunzps5xQCCx | 6,945 | Update yanked version of minimum requests requirement | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6945). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-03T05:45:50 | 2024-06-18T07:36:15 | 2024-06-03T06:09:43 | MEMBER | null | null | false | {
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Version 2.32.1 was yanked: https://pypi.org/project/requests/2.32.1/ | {
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https://api.github.com/repos/huggingface/datasets/issues/7411 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7411/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7411/comments | https://api.github.com/repos/huggingface/datasets/issues/7411/events | https://github.com/huggingface/datasets/pull/7411 | 2,858,993,390 | PR_kwDODunzps6LhV0Z | 7,411 | Attempt to fix multiprocessing hang by closing and joining the pool before termination | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7411). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Thanks for the fix! We have been affected by this a lot when we try to use LLM Foundry ... | 2025-02-17T23:58:03 | 2025-02-19T21:11:24 | 2025-02-19T13:40:32 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | https://github.com/huggingface/datasets/issues/6393 has plagued me on and off for a very long time. I have had various workarounds (one time combining two filter calls into one filter call removed the issue, another time making rank 0 go first resolved a cache race condition, one time i think upgrading the version of s... | {
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https://api.github.com/repos/huggingface/datasets/issues/7230 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7230/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7230/comments | https://api.github.com/repos/huggingface/datasets/issues/7230/events | https://github.com/huggingface/datasets/pull/7230 | 2,589,531,942 | PR_kwDODunzps5-ttUV | 7,230 | Video support | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7230). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-10-15T18:17:29 | 2024-10-24T16:39:51 | 2024-10-24T16:39:50 | MEMBER | null | null | false | {
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adding the `Video` type based on `VideoReader` from `decord`
```python
>>>from datasets import load_dataset
>>> ds = load_dataset("path/to/videos", split="train").with_format("torch")
>>> print(ds[0]["video"])
<decord.video_reader.VideoReader object at 0x337a47910>
>>> print(ds[0]["vid... | {
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https://api.github.com/repos/huggingface/datasets/issues/6969 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6969/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6969/comments | https://api.github.com/repos/huggingface/datasets/issues/6969/events | https://github.com/huggingface/datasets/pull/6969 | 2,351,351,436 | PR_kwDODunzps5yX_nC | 6,969 | Release: 2.20.0 | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6969). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>... | 2024-06-13T14:48:20 | 2024-06-13T15:04:39 | 2024-06-13T14:55:53 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7184 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7184/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7184/comments | https://api.github.com/repos/huggingface/datasets/issues/7184/events | https://github.com/huggingface/datasets/pull/7184 | 2,556,855,150 | PR_kwDODunzps59IPEf | 7,184 | Pin dill<0.3.9 to fix CI | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7184). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2024-09-30T14:26:25 | 2024-09-30T14:38:59 | 2024-09-30T14:38:57 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Pin dill<0.3.9 to fix CI for deps-latest.
Note that dill-0.3.9 was released yesterday Sep 29, 2024:
- https://pypi.org/project/dill/0.3.9/
- https://github.com/uqfoundation/dill/releases/tag/0.3.9
Fix #7183. | {
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https://api.github.com/repos/huggingface/datasets/issues/6346 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6346/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6346/comments | https://api.github.com/repos/huggingface/datasets/issues/6346/events | https://github.com/huggingface/datasets/pull/6346 | 1,958,777,076 | PR_kwDODunzps5dnZM_ | 6,346 | Fix UnboundLocalError if preprocessing returns an empty list | {
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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... | 2023-10-24T08:38:43 | 2023-10-25T17:39:17 | 2023-10-25T16:36:38 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | If this tokenization function is used with IterableDatasets and no sample is as big as the context length, `input_batch` will be an empty list.
```
def tokenize(batch, tokenizer, context_length):
outputs = tokenizer(
batch["text"],
truncation=True,
max_length=context_length,
r... | {
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https://api.github.com/repos/huggingface/datasets/issues/7816 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7816/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7816/comments | https://api.github.com/repos/huggingface/datasets/issues/7816/events | https://github.com/huggingface/datasets/issues/7816 | 3,512,210,206 | I_kwDODunzps7RWBMe | 7,816 | disable_progress_bar() not working as expected | {
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"@xianbaoqian ",
"Closing this one since it's a Xet issue."
] | 2025-10-14T03:25:39 | 2025-10-14T23:49:26 | 2025-10-14T23:49:26 | NONE | null | null | null | null | ### Describe the bug
Hi,
I'm trying to load a dataset on Kaggle TPU image. There is some known compat issue with progress bar on Kaggle, so I'm trying to disable the progress bar globally. This does not work as you can see in [here](https://www.kaggle.com/code/windmaple/hf-datasets-issue).
In contract, disabling pro... | {
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https://api.github.com/repos/huggingface/datasets/issues/6594 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6594/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6594/comments | https://api.github.com/repos/huggingface/datasets/issues/6594/events | https://github.com/huggingface/datasets/issues/6594 | 2,082,748,275 | I_kwDODunzps58JDdz | 6,594 | IterableDataset sharding logic needs improvement | {
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"I do not know is it the same probelm as mine. I think the num_workers should a value of process number for one dataloader mapped to one card, or the total number of processes for all multiple cards. \r\nbut when I set the num_workers larger then the count of training split files, it will report num_workers ... | 2024-01-15T22:22:36 | 2024-10-15T06:27:13 | null | NONE | null | null | null | null | ### Describe the bug
The sharding of IterableDatasets with respect to distributed and dataloader worker processes appears problematic with significant performance traps and inconsistencies wrt to distributed train processes vs worker processes.
Splitting across num_workers (per train process loader processes) and... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7573 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7573/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7573/comments | https://api.github.com/repos/huggingface/datasets/issues/7573/events | https://github.com/huggingface/datasets/issues/7573 | 3,076,415,382 | I_kwDODunzps63Xl-W | 7,573 | No Samsum dataset | {
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"According to the following https://huggingface.co/posts/seawolf2357/424129432408590, as of now the dataset seems to be inaccessible.\n\n@IgorKasianenko, would https://huggingface.co/datasets/knkarthick/samsum suffice for your purpose?\n",
"Thanks @SP1029 for the update!\nThat will work for now, using it as repla... | 2025-05-20T09:54:35 | 2025-07-21T18:34:34 | 2025-06-18T12:52:23 | NONE | null | null | null | null | ### Describe the bug
https://huggingface.co/datasets/Samsung/samsum dataset not found error 404
Originated from https://github.com/meta-llama/llama-cookbook/issues/948
### Steps to reproduce the bug
go to website https://huggingface.co/datasets/Samsung/samsum
see the error
also downloading it with python throws
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https://api.github.com/repos/huggingface/datasets/issues/7311 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7311/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7311/comments | https://api.github.com/repos/huggingface/datasets/issues/7311/events | https://github.com/huggingface/datasets/issues/7311 | 2,725,002,630 | I_kwDODunzps6ibD2G | 7,311 | How to get the original dataset name with username? | {
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"Hi ! why not pass the dataset id to Ray and let it check the parquet files ? Or pass the parquet files lists directly ?",
"I'm not sure why ray design an API like this to accept a `Dataset` object, so they need to verify the `Dataset` is the original one and use the `DatasetInfo` to query the huggingface hub. I'... | 2024-12-08T07:18:14 | 2025-01-09T10:48:02 | null | CONTRIBUTOR | null | null | null | null | ### Feature request
The issue is related to ray data https://github.com/ray-project/ray/issues/49008 which it requires to check if the dataset is the original one just after `load_dataset` and parquet files are already available on hf hub.
The solution used now is to get the dataset name, config and split, then `... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6414 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6414/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6414/comments | https://api.github.com/repos/huggingface/datasets/issues/6414/events | https://github.com/huggingface/datasets/pull/6414 | 1,992,482,491 | PR_kwDODunzps5fZZ2l | 6,414 | Set `usedforsecurity=False` in hashlib methods (FIPS compliance) | {
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"<details>\n<summary>Show benchmarks</summary>\n\nPyArrow==8.0.0\n\n<details>\n<summary>Show updated benchmarks!</summary>\n\n### Benchmark: benchmark_array_xd.json\n\n| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_a... | 2023-11-14T10:47:09 | 2023-11-17T14:23:20 | 2023-11-17T14:17:00 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Related to https://github.com/huggingface/transformers/issues/27034 and https://github.com/huggingface/huggingface_hub/pull/1782.
**TL;DR:** `hashlib` is not a secure library for cryptography-related stuff. We are only using `hashlib` for non-security-related purposes in `datasets` so it's fine. From Python 3.9 we s... | {
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https://api.github.com/repos/huggingface/datasets/issues/7702 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7702/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7702/comments | https://api.github.com/repos/huggingface/datasets/issues/7702/events | https://github.com/huggingface/datasets/pull/7702 | 3,265,328,549 | PR_kwDODunzps6gvdYC | 7,702 | num_proc=0 behave like None, num_proc=1 uses one worker (not main process) and clarify num_proc documentation | {
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"I think we can support num_proc=0 and make it equivalent to `None` to make it simpler",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7702). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",... | 2025-07-26T08:19:39 | 2025-07-31T14:52:33 | 2025-07-31T14:52:33 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fixes issue #7700
This PR makes num_proc=0 behave like None in Dataset.map(), disabling multiprocessing.
It improves UX by aligning with DataLoader(num_workers=0) behavior.
The num_proc docstring is also updated to clearly explain valid values and behavior.
@SunMarc
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https://api.github.com/repos/huggingface/datasets/issues/7414 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7414/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7414/comments | https://api.github.com/repos/huggingface/datasets/issues/7414/events | https://github.com/huggingface/datasets/pull/7414 | 2,863,798,756 | PR_kwDODunzps6LxjsH | 7,414 | Gracefully cancel async tasks | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7414). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-02-19T16:10:58 | 2025-02-20T14:12:26 | 2025-02-20T14:12:23 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7632 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7632/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7632/comments | https://api.github.com/repos/huggingface/datasets/issues/7632/events | https://github.com/huggingface/datasets/issues/7632 | 3,168,283,589 | I_kwDODunzps682CvF | 7,632 | Graceful Error Handling for cast_column("image", Image(decode=True)) in Hugging Face Datasets | {
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"Hi! This is now handled in PR #7638",
"Thank you for implementing the suggestion it would be great help in our use case. "
] | 2025-06-23T13:49:24 | 2025-07-08T06:52:53 | null | NONE | null | null | null | null | ### Feature request
Currently, when using dataset.cast_column("image", Image(decode=True)), the pipeline throws an error and halts if any image in the dataset is invalid or corrupted (e.g., truncated files, incorrect formats, unreachable URLs). This behavior disrupts large-scale processing where a few faulty samples a... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7093 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7093/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7093/comments | https://api.github.com/repos/huggingface/datasets/issues/7093/events | https://github.com/huggingface/datasets/issues/7093 | 2,454,413,074 | I_kwDODunzps6SS18S | 7,093 | Add Arabic Docs to datasets | {
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] | open | false | null | [] | null | [] | 2024-08-07T21:48:05 | 2024-08-07T21:48:05 | null | NONE | null | null | null | null | ### Feature request
Add Arabic Docs to datasets
[Datasets Arabic](https://github.com/AhmedAlmaghz/datasets/blob/main/docs/source/ar/index.mdx)
### Motivation
@AhmedAlmaghz
https://github.com/AhmedAlmaghz/datasets/blob/main/docs/source/ar/index.mdx
### Your contribution
@AhmedAlmaghz
https://github.com/AhmedAlma... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7770 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7770/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7770/comments | https://api.github.com/repos/huggingface/datasets/issues/7770/events | https://github.com/huggingface/datasets/pull/7770 | 3,413,892,226 | PR_kwDODunzps6obQdR | 7,770 | Fix: Correct float feature generation in `generate_examples` | {
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"Hi @lhoestq, just a gentle follow-up on this PR."
] | 2025-09-13T17:37:09 | 2025-09-28T12:43:04 | null | CONTRIBUTOR | null | null | false | {
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} | This PR fixes a bug in the `generate_examples` function where `datasets.Value` features with a `float` dtype were incorrectly generated using `np.random.randint`. This resulted in integer values being cast to float, which is not representative of true floating-point data.
**Key changes include:**
* Added explic... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7762 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7762/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7762/comments | https://api.github.com/repos/huggingface/datasets/issues/7762/events | https://github.com/huggingface/datasets/pull/7762 | 3,406,885,775 | PR_kwDODunzps6oDiF2 | 7,762 | Parquet: use data page v2 for efficient page pruning | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7762). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Closing this since it looks like the page offset index is enough :)"
] | 2025-09-11T14:42:22 | 2025-09-11T15:24:25 | 2025-09-11T15:24:24 | MEMBER | null | null | false | {
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} | This is needed to enable page pruning with DataFusion, which will be useful for the Dataset Viewer.
Indeed page pruning with DataFusion allows to download only certain pages of a row group, reducing the I/O required to read just a few rows.
But while data page v1 generally works, it's not easy with DataFusion to ... | {
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https://api.github.com/repos/huggingface/datasets/issues/7696 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7696/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7696/comments | https://api.github.com/repos/huggingface/datasets/issues/7696/events | https://github.com/huggingface/datasets/issues/7696 | 3,253,433,350 | I_kwDODunzps7B63QG | 7,696 | load_dataset() in 4.0.0 returns different audio samples compared to earlier versions breaking reproducibility | {
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"Hi ! This is because `datasets` now uses the FFmpeg-based library `torchcodec` instead of the libsndfile-based library `soundfile` to decode audio data. Those two have different decoding implementations",
"I’m all for torchcodec, good luck with the migration!"
] | 2025-07-22T17:02:17 | 2025-07-30T14:22:21 | 2025-07-30T14:22:21 | NONE | null | null | null | null | ### Describe the bug
In datasets 4.0.0 release, `load_dataset()` returns different audio samples compared to earlier versions, this breaks integration tests that depend on consistent sample data across different environments (first and second envs specified below).
### Steps to reproduce the bug
```python
from dat... | {
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https://api.github.com/repos/huggingface/datasets/issues/7111 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7111/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7111/comments | https://api.github.com/repos/huggingface/datasets/issues/7111/events | https://github.com/huggingface/datasets/issues/7111 | 2,474,915,845 | I_kwDODunzps6ThDgF | 7,111 | CI is broken for numpy-2: Failed to fetch wheel: llvmlite==0.34.0 | {
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"Note that the CI before was using:\r\n- llvmlite: 0.43.0\r\n- numba: 0.60.0\r\n\r\nNow it tries to use:\r\n- llvmlite: 0.34.0\r\n- numba: 0.51.2",
"The issue is because numba-0.60.0 pins numpy<2.1 and `uv` tries to install latest numpy-2.1.0 with an old numba-0.51.0 version (and llvmlite-0.34.0). See discussion ... | 2024-08-20T07:27:28 | 2024-08-21T05:05:36 | 2024-08-20T09:02:36 | MEMBER | null | null | null | null | Ci is broken with error `Failed to fetch wheel: llvmlite==0.34.0`: https://github.com/huggingface/datasets/actions/runs/10466825281/job/28984414269
```
Run uv pip install --system "datasets[tests_numpy2] @ ."
Resolved 150 packages in 4.42s
error: Failed to prepare distributions
Caused by: Failed to fetch wheel: ... | {
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https://api.github.com/repos/huggingface/datasets/issues/7547 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7547/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7547/comments | https://api.github.com/repos/huggingface/datasets/issues/7547/events | https://github.com/huggingface/datasets/pull/7547 | 3,034,830,291 | PR_kwDODunzps6UsTuF | 7,547 | Avoid global umask for setting file mode. | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7547). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-05-01T22:24:24 | 2025-05-06T13:05:00 | 2025-05-06T13:05:00 | CONTRIBUTOR | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7353 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7353/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7353/comments | https://api.github.com/repos/huggingface/datasets/issues/7353/events | https://github.com/huggingface/datasets/pull/7353 | 2,768,484,726 | PR_kwDODunzps6Gtd6K | 7,353 | changes to MappedExamplesIterable to resolve #7345 | {
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"I noticed that `Dataset.map` has a more complex output depending on `remove_columns`. In particular [this](https://github.com/huggingface/datasets/blob/6457be66e2ef88411281eddc4e7698866a3977f1/src/datasets/arrow_dataset.py#L3371) line removes columns from output if the input is being modified in place (i.e. `input... | 2025-01-04T06:01:15 | 2025-01-07T11:56:41 | 2025-01-07T11:56:41 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | modified `MappedExamplesIterable` and `test_iterable_dataset.py::test_mapped_examples_iterable_with_indices`
fix #7345
@lhoestq | {
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https://api.github.com/repos/huggingface/datasets/issues/6383 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6383/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6383/comments | https://api.github.com/repos/huggingface/datasets/issues/6383/events | https://github.com/huggingface/datasets/issues/6383 | 1,978,189,389 | I_kwDODunzps516MZN | 6,383 | imagenet-1k downloads over and over | {
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"Have you solved this problem?"
] | 2023-11-06T02:58:58 | 2024-06-12T13:15:00 | 2023-11-06T06:02:39 | NONE | null | null | null | null | ### Describe the bug
What could be causing this?
```
$ python3
Python 3.8.13 (default, Mar 28 2022, 11:38:47)
[GCC 7.5.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from datasets import load_dataset
>>> load_dataset("imagenet-1k")
Downloading builder ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6868 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6868/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6868/comments | https://api.github.com/repos/huggingface/datasets/issues/6868/events | https://github.com/huggingface/datasets/issues/6868 | 2,279,385,159 | I_kwDODunzps6H3KhH | 6,868 | datasets.BuilderConfig does not work. | {
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"I guess the issue is caused by the customization of BuilderConfig that you use from the repo [https://github.com/BeyonderXX/InstructUIE](https://github.com/BeyonderXX/InstructUIE/blob/master/src/uie_dataset.py). You should report to them.\r\n\r\nI see you already opened an issue in their repo:\r\n- https://github.... | 2024-05-05T08:08:55 | 2024-05-05T12:15:02 | 2024-05-05T12:15:01 | NONE | null | null | null | null | ### Describe the bug
I custom a BuilderConfig and GeneratorBasedBuilder.
Here is the code for BuilderConfig
```
class UIEConfig(datasets.BuilderConfig):
def __init__(
self,
*args,
data_dir=None,
instruction_file=None,
instruction_strategy=None,... | {
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https://api.github.com/repos/huggingface/datasets/issues/6318 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6318/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6318/comments | https://api.github.com/repos/huggingface/datasets/issues/6318/events | https://github.com/huggingface/datasets/pull/6318 | 1,952,100,706 | PR_kwDODunzps5dRC9V | 6,318 | Deterministic set hash | {
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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... | 2023-10-19T12:19:13 | 2023-10-19T16:27:20 | 2023-10-19T16:16:31 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Sort the items in a set according to their `datasets.fingerprint.Hasher.hash` hash to get a deterministic hash of sets.
This is useful to get deterministic hashes of tokenizers that use a trie based on python sets.
reported in https://github.com/huggingface/datasets/issues/3847 | {
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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
uv... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6709 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6709/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6709/comments | https://api.github.com/repos/huggingface/datasets/issues/6709/events | https://github.com/huggingface/datasets/pull/6709 | 2,164,169,913 | PR_kwDODunzps5oc2Fg | 6,709 | set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6709). 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>... | 2024-03-01T21:01:14 | 2024-03-01T21:07:35 | 2024-03-01T21:01:23 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7558 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7558/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7558/comments | https://api.github.com/repos/huggingface/datasets/issues/7558/events | https://github.com/huggingface/datasets/pull/7558 | 3,046,066,628 | PR_kwDODunzps6VR1gN | 7,558 | fix regression | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7558). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-05-07T13:56:03 | 2025-05-07T13:58:52 | 2025-05-07T13:56:18 | MEMBER | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | reported in https://github.com/huggingface/datasets/pull/7557 (I just reorganized the condition)
wanted to apply this change to the original PR but github didn't let me apply it directly - merging this one instead | {
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https://api.github.com/repos/huggingface/datasets/issues/6064 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6064/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6064/comments | https://api.github.com/repos/huggingface/datasets/issues/6064/events | https://github.com/huggingface/datasets/pull/6064 | 1,818,703,725 | PR_kwDODunzps5WPzAv | 6,064 | set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6064). All of your documentation changes will be reflected on that endpoint.",
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https://api.github.com/repos/huggingface/datasets/issues/6192 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6192/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6192/comments | https://api.github.com/repos/huggingface/datasets/issues/6192/events | https://github.com/huggingface/datasets/pull/6192 | 1,871,911,640 | PR_kwDODunzps5ZDGnI | 6,192 | Set minimal fsspec version requirement to 2023.1.0 | {
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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... | 2023-08-29T15:23:41 | 2023-08-30T14:01:56 | 2023-08-30T13:51:32 | COLLABORATOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/6... | Fix https://github.com/huggingface/datasets/issues/6141
Colab installs 2023.6.0, so we should be good 🙂
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https://api.github.com/repos/huggingface/datasets/issues/7818 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7818/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7818/comments | https://api.github.com/repos/huggingface/datasets/issues/7818/events | https://github.com/huggingface/datasets/issues/7818 | 3,515,887,618 | I_kwDODunzps7RkDAC | 7,818 | train_test_split and stratify breaks with Numpy 2.0 | {
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"I can't reproduce this. Could you pls provide an example with a public dataset/artificial dataset and show how you loaded that?\n\nThis works for me:\n\n```python\nimport numpy as np\nfrom datasets import Dataset, Features, ClassLabel, Value\n\ndata = {\"text\": [f\"sample_{i}\" for i in range(100)], \"label\": [i... | 2025-10-15T00:01:19 | 2025-10-28T16:10:44 | 2025-10-28T16:10:44 | NONE | null | null | null | null | ### Describe the bug
As stated in the title, since Numpy changed in version >2.0 with copy, the stratify parameters break.
e.g. `all_dataset.train_test_split(test_size=0.2,stratify_by_column="label")` returns a Numpy error.
It works if you downgrade Numpy to a version lower than 2.0.
### Steps to reproduce the bug
... | {
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https://api.github.com/repos/huggingface/datasets/issues/6999 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6999/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6999/comments | https://api.github.com/repos/huggingface/datasets/issues/6999/events | https://github.com/huggingface/datasets/pull/6999 | 2,372,124,589 | PR_kwDODunzps5zd-ak | 6,999 | Remove tasks | {
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https://api.github.com/repos/huggingface/datasets/issues/7263 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7263/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7263/comments | https://api.github.com/repos/huggingface/datasets/issues/7263/events | https://github.com/huggingface/datasets/pull/7263 | 2,621,844,054 | PR_kwDODunzps6ARg7m | 7,263 | Small addition to video docs | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7263). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
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https://api.github.com/repos/huggingface/datasets/issues/6103 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6103/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6103/comments | https://api.github.com/repos/huggingface/datasets/issues/6103/events | https://github.com/huggingface/datasets/pull/6103 | 1,828,515,165 | PR_kwDODunzps5Ww2gV | 6,103 | Set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6103). 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... | 2023-07-31T06:44:05 | 2023-07-31T06:55:58 | 2023-07-31T06:45:41 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/7108 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7108/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7108/comments | https://api.github.com/repos/huggingface/datasets/issues/7108/events | https://github.com/huggingface/datasets/issues/7108 | 2,470,665,327 | I_kwDODunzps6TQ1xv | 7,108 | website broken: Create a new dataset repository, doesn't create a new repo in Firefox | {
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"I don't reproduce, I was able to create a new repo: https://huggingface.co/datasets/severo/reproduce-datasets-issues-7108. Can you confirm it's still broken?",
"I have just tried again.\r\n\r\nFirefox: The `Create dataset` doesn't work. It has worked in the past. It's my preferred browser.\r\n\r\nChrome: The `Cr... | 2024-08-16T17:23:00 | 2024-08-19T13:21:12 | 2024-08-19T06:52:48 | NONE | null | null | null | null | ### Describe the bug
This issue is also reported here:
https://discuss.huggingface.co/t/create-a-new-dataset-repository-broken-page/102644
This page is broken.
https://huggingface.co/new-dataset
I fill in the form with my text, and click `Create Dataset`.
![Screenshot 2024-08-16 at 15 55 37](https://github.... | {
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https://api.github.com/repos/huggingface/datasets/issues/7840 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7840/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7840/comments | https://api.github.com/repos/huggingface/datasets/issues/7840/events | https://github.com/huggingface/datasets/pull/7840 | 3,579,486,348 | PR_kwDODunzps6xDsbG | 7,840 | Add num channels to audio | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7840). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-11-02T12:10:24 | 2025-11-03T17:37:48 | 2025-11-03T14:24:11 | CONTRIBUTOR | null | null | false | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/7... | Fixes #7837
We currently have the [mono attribute for Audio documented](https://github.com/huggingface/datasets/blob/41c05299348a499807432ab476e1cdc4143c8772/src/datasets/features/audio.py#L52C1-L54C22) but not used anywhere resulting in confusion for users. Since torchcodec does not know this attribute I suggest us... | {
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https://api.github.com/repos/huggingface/datasets/issues/6288 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6288/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6288/comments | https://api.github.com/repos/huggingface/datasets/issues/6288/events | https://github.com/huggingface/datasets/issues/6288 | 1,935,005,457 | I_kwDODunzps5zVdcR | 6,288 | Dataset.from_pandas with a DataFrame of PIL.Images | {
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"A duplicate of https://github.com/huggingface/datasets/issues/4796.\r\n\r\nWe could get this for free by implementing the `Image` feature as an extension type, as shown in [this](https://colab.research.google.com/drive/1Uzm_tXVpGTwbzleDConWcNjacwO1yxE4?usp=sharing) Colab (example with UUIDs).\r\n",
"+1 to this\r... | 2023-10-10T10:29:16 | 2024-11-29T16:35:30 | null | MEMBER | null | null | null | null | Currently type inference doesn't know what to do with a Pandas Series of PIL.Image objects, though it would be nice to get a Dataset with the Image type this way | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6601 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6601/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6601/comments | https://api.github.com/repos/huggingface/datasets/issues/6601/events | https://github.com/huggingface/datasets/pull/6601 | 2,088,624,054 | PR_kwDODunzps5kcWN0 | 6,601 | add safety checks when using only part of dataset | {
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"Hi ! The metrics in `datasets` are deprecated in favor of https://github.com/huggingface/evaluate\r\n\r\nYou can open a PR here instead: https://huggingface.co/spaces/evaluate-metric/squad_v2/tree/main"
] | 2024-01-18T16:16:59 | 2024-02-08T14:33:10 | null | NONE | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/5895 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/5895/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/5895/comments | https://api.github.com/repos/huggingface/datasets/issues/5895/events | https://github.com/huggingface/datasets/issues/5895 | 1,725,467,252 | I_kwDODunzps5m2Ip0 | 5,895 | The dir name and split strings are confused when loading ArmelR/stack-exchange-instruction dataset | {
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"Thanks for reporting, @DongHande.\r\n\r\nI think the issue is caused by the metadata in the dataset card: in the header of the `README.md`, they state that the dataset has 4 splits (\"finetune\", \"reward\", \"rl\", \"evaluation\"). \r\n```yaml\r\n splits:\r\n - name: finetune\r\n num_bytes: 6674567576\r\... | 2023-05-25T09:39:06 | 2023-05-29T02:32:12 | 2023-05-29T02:32:12 | NONE | null | null | null | null | ### Describe the bug
When I load the ArmelR/stack-exchange-instruction dataset, I encounter a bug that may be raised by confusing the dir name string and the split string about the dataset.
When I use the script "datasets.load_dataset('ArmelR/stack-exchange-instruction', data_dir="data/finetune", split="train", ... | {
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https://api.github.com/repos/huggingface/datasets/issues/6407 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6407/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6407/comments | https://api.github.com/repos/huggingface/datasets/issues/6407/events | https://github.com/huggingface/datasets/issues/6407 | 1,991,514,079 | I_kwDODunzps52tBff | 6,407 | Loading the dataset from private S3 bucket gives "TypeError: cannot pickle '_contextvars.Context' object" | {
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"I have encountered the same problem with `datasets-2.20.0`. \r\n\r\nI found the following workaround for this issue (including the fix from #6598):\r\n1. specify the AWS profile name in the `storage_options` instead of passing an existing session object\r\n2. use a custom `DownloadConfig` object to fix #6598\r\n3.... | 2023-11-13T21:27:43 | 2024-07-30T12:35:09 | null | NONE | null | null | null | null | ### Describe the bug
I'm trying to read the parquet file from the private s3 bucket using the `load_dataset` function, but I receive `TypeError: cannot pickle '_contextvars.Context' object` error
I'm working on a machine with `~/.aws/credentials` file. I can't give credentials and the path to a file in a private bu... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/6357 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6357/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6357/comments | https://api.github.com/repos/huggingface/datasets/issues/6357/events | https://github.com/huggingface/datasets/issues/6357 | 1,964,653,995 | I_kwDODunzps51Gj2r | 6,357 | Allow passing a multiprocessing context to functions that support `num_proc` | {
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] | open | false | null | [] | null | [] | 2023-10-27T02:31:16 | 2023-10-27T02:31:16 | null | CONTRIBUTOR | null | null | null | null | ### Feature request
Allow specifying [a multiprocessing context](https://docs.python.org/3/library/multiprocessing.html#contexts-and-start-methods) to functions that support `num_proc` or use multiprocessing pools. For example, the following could be done:
```python
dataset = dataset.map(_func, num_proc=2, mp_cont... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7830 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7830/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7830/comments | https://api.github.com/repos/huggingface/datasets/issues/7830/events | https://github.com/huggingface/datasets/pull/7830 | 3,549,769,999 | PR_kwDODunzps6viIQf | 7,830 | fix ci compressionfs | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7830). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-10-24T14:29:00 | 2025-10-24T14:46:34 | 2025-10-24T14:46:29 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6973 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6973/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6973/comments | https://api.github.com/repos/huggingface/datasets/issues/6973/events | https://github.com/huggingface/datasets/issues/6973 | 2,355,517,362 | I_kwDODunzps6MZley | 6,973 | IndexError during training with Squad dataset and T5-small model | {
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"add remove_unused_columns=False to training_args\r\nhttps://github.com/huggingface/datasets/issues/6535#issuecomment-1874024704",
"Closing this issue because it was a reported and fixed in transformers."
] | 2024-06-16T07:53:54 | 2024-07-01T11:25:40 | 2024-07-01T11:25:40 | NONE | null | null | null | null | ### Describe the bug
I am encountering an IndexError while training a T5-small model on the Squad dataset using the transformers and datasets libraries. The error occurs even with a minimal reproducible example, suggesting a potential bug or incompatibility.
### Steps to reproduce the bug
1.Install the required libr... | {
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https://api.github.com/repos/huggingface/datasets/issues/7774 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7774/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7774/comments | https://api.github.com/repos/huggingface/datasets/issues/7774/events | https://github.com/huggingface/datasets/pull/7774 | 3,418,712,977 | PR_kwDODunzps6orVvQ | 7,774 | Set dev version | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7774). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-09-15T16:42:33 | 2025-09-15T16:45:16 | 2025-09-15T16:42:47 | MEMBER | null | null | false | {
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https://api.github.com/repos/huggingface/datasets/issues/6610 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/6610/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/6610/comments | https://api.github.com/repos/huggingface/datasets/issues/6610/events | https://github.com/huggingface/datasets/issues/6610 | 2,095,643,711 | I_kwDODunzps586Pw_ | 6,610 | cast_column to Sequence(subfeatures_dict) has err | {
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"Hi! You are passing the wrong feature type to `cast_column`. This is the fixed call:\r\n```python\r\nais_dataset = ais_dataset.cast_column(\"my_labeled_bbox\", {\"bbox\": Sequence(Value(dtype=\"int64\")), \"label\": ClassLabel(names=[\"cat\", \"dog\"])})\r\n```",
"> Hi! You are passing the wrong feature type to ... | 2024-01-23T09:32:32 | 2024-01-25T02:15:23 | 2024-01-25T02:15:23 | NONE | null | null | null | null | ### Describe the bug
I am working with the following demo code:
```
from datasets import load_dataset
from datasets.features import Sequence, Value, ClassLabel, Features
ais_dataset = load_dataset("/data/ryan.gao/ais_dataset_cache/raw/1978/")
ais_dataset = ais_dataset["train"]
def add_class(example):
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