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When using a webdataset each sample can be a collection of different "fields"
like this:
```
images17/image194.left.jpg
images17/image194.right.jpg
images17/image194.json
images17/image12.left.jpg
images17/image12.right.jpg
images17/image12.json
```
if the field_name contains upper case ch... | value:https://api.github.com/repos/huggingface/datasets/issues/7732/comments | value:I_kwDODunzps7E-VBn | value:open | value:0 | value:2025-08-08T16:56:42Z | value:https://api.github.com/repos/huggingface/datasets/issues/7732/labels{/name} | value:7732 | json:{"login": "YassineYousfi", "id": 29985433, "node_id": "MDQ6VXNlcjI5OTg1NDMz", "avatar_url": "https://avatars.githubusercontent.com/u/29985433?v=4", "gravatar_id": "", "url": "https://api.github.com/users/YassineYousfi", "html_url": "https://github.com/YassineYousfi", "followers_url": "https://api.github.com/users/... | true | |||||||||||
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Add the possibility of a backend for audio decoding. Before version 4.0.0, soundfile was used, and now torchcodec is used, but the problem is that torchcodec requires ffmpeg, which is problematic to install on the same colab. Therefore, I suggest adding a decoder selection when loading the da... | value:https://api.github.com/repos/huggingface/datasets/issues/7731/comments | value:I_kwDODunzps7E6YBT | value:open | value:2 | value:2025-08-20T16:29:33Z | value:https://api.github.com/repos/huggingface/datasets/issues/7731/labels{/name} | value:7731 | json:{"login": "intexcor", "id": 142020129, "node_id": "U_kgDOCHcOIQ", "avatar_url": "https://avatars.githubusercontent.com/u/142020129?v=4", "gravatar_id": "", "url": "https://api.github.com/users/intexcor", "html_url": "https://github.com/intexcor", "followers_url": "https://api.github.com/users/intexcor/followers", ... | true | |||||||||||
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```diff
- "This warning is only showed once. Subsequent hashing failures won't be showed."
+ "This warning is only shown once. Subsequent hashing failures won't be shown."
```
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pip install torch==1.12.1+cpu torchaudio==0.12.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
this is working fine but tell me how to install pytorch version that is fit for gpu | value:https://api.github.com/repos/huggingface/datasets/issues/7729/comments | value:I_kwDODunzps7EvEW6 | value:open | value:1 | value:2025-09-24T02:17:15Z | value:https://api.github.com/repos/huggingface/datasets/issues/7729/labels{/name} | value:7729 | json:{"login": "SaleemMalikAI", "id": 115183904, "node_id": "U_kgDOBt2RIA", "avatar_url": "https://avatars.githubusercontent.com/u/115183904?v=4", "gravatar_id": "", "url": "https://api.github.com/users/SaleemMalikAI", "html_url": "https://github.com/SaleemMalikAI", "followers_url": "https://api.github.com/users/Saleem... | true | |||||||||||
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When loading dataset, the info specified by `data_files` did not overwrite the original info.
### Steps to reproduce the bug
```python
from datasets import load_dataset
traindata = load_dataset(
"allenai/c4",
"en",
data_files={"train": "en/c4-train.000... | value:https://api.github.com/repos/huggingface/datasets/issues/7728/comments | value:I_kwDODunzps7EoIf4 | value:open | value:3 | value:2025-10-06T21:08:39Z | value:https://api.github.com/repos/huggingface/datasets/issues/7728/labels{/name} | value:7728 | json:{"login": "efsotr", "id": 104755879, "node_id": "U_kgDOBj5ypw", "avatar_url": "https://avatars.githubusercontent.com/u/104755879?v=4", "gravatar_id": "", "url": "https://api.github.com/users/efsotr", "html_url": "https://github.com/efsotr", "followers_url": "https://api.github.com/users/efsotr/followers", "followi... | true | |||||||||||
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```
- config_name: some_config
data_files:
- split: train
path:
- images/xyz/*.jpg
```
will correctly download but
```
- config_name: some_config
data_files:
- split: train
path:
- ./images/xyz/*.jpg
```
will error with `FileNotFoundError` due to improper url joining... | value:https://api.github.com/repos/huggingface/datasets/issues/7727/comments | value:I_kwDODunzps7EcKyy | value:open | value:1 | value:2026-06-11T21:42:25Z | value:https://api.github.com/repos/huggingface/datasets/issues/7727/labels{/name} | value:7727 | json:{"login": "doctorpangloss", "id": 2229300, "node_id": "MDQ6VXNlcjIyMjkzMDA=", "avatar_url": "https://avatars.githubusercontent.com/u/2229300?v=4", "gravatar_id": "", "url": "https://api.github.com/users/doctorpangloss", "html_url": "https://github.com/doctorpangloss", "followers_url": "https://api.github.com/users... | true | |||||||||||
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defaulting it to False is nice balance. we need manully setting it to True in certain scenarios!
Add `trust_remote_code` arg back please!
### Motivation
defaulting it to False is nice balance. we need manully setting it to True in certain scenarios!
### Your contribution
defaulting it t... | value:https://api.github.com/repos/huggingface/datasets/issues/7723/comments | value:I_kwDODunzps7EGIzd | value:open | value:0 | value:2025-08-04T15:42:07Z | value:https://api.github.com/repos/huggingface/datasets/issues/7723/labels{/name} | value:7723 | json:{"login": "autosquid", "id": 758925, "node_id": "MDQ6VXNlcjc1ODkyNQ==", "avatar_url": "https://avatars.githubusercontent.com/u/758925?v=4", "gravatar_id": "", "url": "https://api.github.com/users/autosquid", "html_url": "https://github.com/autosquid", "followers_url": "https://api.github.com/users/autosquid/follow... | true | |||||||||||
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I am iterating over a large dataset that I load using streaming=True to avoid running out of memory. Unfortunately, I am observing that memory usage increases over time and I'm finally running in an oom.
### Steps to reproduce the bug
```
ds = load_dataset("openslr/librispeech_asr", spli... | value:https://api.github.com/repos/huggingface/datasets/issues/7722/comments | value:I_kwDODunzps7EFXcI | value:open | value:0 | value:2025-08-04T14:41:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/7722/labels{/name} | value:7722 | json:{"login": "padmalcom", "id": 3961950, "node_id": "MDQ6VXNlcjM5NjE5NTA=", "avatar_url": "https://avatars.githubusercontent.com/u/3961950?v=4", "gravatar_id": "", "url": "https://api.github.com/users/padmalcom", "html_url": "https://github.com/padmalcom", "followers_url": "https://api.github.com/users/padmalcom/foll... | true | |||||||||||
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Hi, I'm trying to download a dataset. To not load the entire dataset in memory, I split it as described [here](https://huggingface.co/docs/datasets/v4.0.0/loading#slice-splits) in 10% steps.
When doing so, the library returns this error:
raise ValueError(f"Bad split: {split}. Available ... | value:https://api.github.com/repos/huggingface/datasets/issues/7721/comments | value:I_kwDODunzps7EEKi4 | value:open | value:2 | value:2025-08-14T14:42:24Z | value:https://api.github.com/repos/huggingface/datasets/issues/7721/labels{/name} | value:7721 | json:{"login": "padmalcom", "id": 3961950, "node_id": "MDQ6VXNlcjM5NjE5NTA=", "avatar_url": "https://avatars.githubusercontent.com/u/3961950?v=4", "gravatar_id": "", "url": "https://api.github.com/users/padmalcom", "html_url": "https://github.com/padmalcom", "followers_url": "https://api.github.com/users/padmalcom/foll... | true | |||||||||||
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Column returned after mapping is not found in new instance of the dataset.
### Steps to reproduce the bug
Code for reproduction. After running get_total_audio_length, it is errored out due to `data` not having `duration`
```
def compute_duration(x):
return {"duration": len(x["audio"]["... | value:https://api.github.com/repos/huggingface/datasets/issues/7720/comments | value:I_kwDODunzps7D7e-x | value:open | value:3 | value:2025-08-07T19:23:34Z | value:https://api.github.com/repos/huggingface/datasets/issues/7720/labels{/name} | value:7720 | json:{"login": "Darejkal", "id": 55143337, "node_id": "MDQ6VXNlcjU1MTQzMzM3", "avatar_url": "https://avatars.githubusercontent.com/u/55143337?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Darejkal", "html_url": "https://github.com/Darejkal", "followers_url": "https://api.github.com/users/Darejkal/follow... | true | |||||||||||
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Make dataset optionaly generic to datasets usage with type annotations like it was done in `torch.Dataloader` https://github.com/pytorch/pytorch/blob/134179474539648ba7dee1317959529fbd0e7f89/torch/utils/data/dataloader.py#L131
### Motivation
In MTEB we're using a lot of datasets objects, bu... | value:https://api.github.com/repos/huggingface/datasets/issues/7719/comments | value:I_kwDODunzps7D20or | value:open | value:0 | value:2025-08-02T13:22:31Z | value:https://api.github.com/repos/huggingface/datasets/issues/7719/labels{/name} | value:7719 | json:{"login": "Samoed", "id": 36135455, "node_id": "MDQ6VXNlcjM2MTM1NDU1", "avatar_url": "https://avatars.githubusercontent.com/u/36135455?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Samoed", "html_url": "https://github.com/Samoed", "followers_url": "https://api.github.com/users/Samoed/followers", "f... | true | |||||||||||
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Hi, we are pre-downloading a dataset using snapshot_download(). When loading this exact dataset with load_dataset() the cached snapshot is not used. In both calls, I provide the cache_dir parameter.
### Steps to reproduce the bug
```
from datasets import load_dataset, concatenate_datasets
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Previously it was possible to access a whole column that was e.g. in numpy format via `with_format` by indexing the column. Now this possibility seems to be gone with the new Column() class. As far as I see, this makes working on a whole column (in-memory) more complex, i.e. normalizing an i... | value:https://api.github.com/repos/huggingface/datasets/issues/7709/comments | value:I_kwDODunzps7DTiNm | value:closed | value:2 | value:2025-08-07T08:27:18Z | value:https://api.github.com/repos/huggingface/datasets/issues/7709/labels{/name} | value:7709 | json:{"login": "wittenator", "id": 9154515, "node_id": "MDQ6VXNlcjkxNTQ1MTU=", "avatar_url": "https://avatars.githubusercontent.com/u/9154515?v=4", "gravatar_id": "", "url": "https://api.github.com/users/wittenator", "html_url": "https://github.com/wittenator", "followers_url": "https://api.github.com/users/wittenator/... | true | ||||||||
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Note: we fixed an issue server side to make this work:
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Cannot decode audio data.
### Steps to reproduce the bug
```python
from datasets import load_dataset
dataset = load_dataset("hf-internal-testing/librispeech_asr_demo", "clean", split="validation")
print(dataset[0]["audio"]["array"])
```
1st round run, got
```
File "/usr/local/lib/pyt... | value:https://api.github.com/repos/huggingface/datasets/issues/7707/comments | value:I_kwDODunzps7DBL5e | value:closed | value:16 | value:2025-10-05T06:41:38Z | value:https://api.github.com/repos/huggingface/datasets/issues/7707/labels{/name} | value:7707 | json:{"login": "jiqing-feng", "id": 107918818, "node_id": "U_kgDOBm614g", "avatar_url": "https://avatars.githubusercontent.com/u/107918818?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jiqing-feng", "html_url": "https://github.com/jiqing-feng", "followers_url": "https://api.github.com/users/jiqing-feng/... | true | ||||||||
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https://github.com/huggingface/datasets/pull/7648#issuecomment-3084050130
Close https://github.com/huggingface/datasets/issues/4101, and more
---
### PR under work!!!!
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As title, i'm facing the issue that the dataset.load api can not connect to the installed dataset.
code snippet :
<img width="572" height="253" alt="Image" src="https://github.com/user-attachments/assets/10f48aaf-d6ca-4239-b1cf-145d74f125d1" />
data path :
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The current datasets.Dataset.map() example in the documentation demonstrates batched processing using a tokenizer object without defining or importing it. This causes a NameError when users copy and run the example as-is, breaking the expected seamless experience.
## Correction
This PR fixes the i... | value:https://api.github.com/repos/huggingface/datasets/issues/7704/comments | value:PR_kwDODunzps6gwtb8 | value:closed | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7704", "html_url": "https://github.com/huggingface/datasets/pull/7704", "diff_url": "https://github.com/huggingface/datasets/pull/7704.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7704.patch", "merged_at": null} | value:2025-08-13T13:23:18Z | value:https://api.github.com/repos/huggingface/datasets/issues/7704/labels{/name} | value:7704 | json:{"login": "Sanjaykumar030", "id": 183703408, "node_id": "U_kgDOCvMXcA", "avatar_url": "https://avatars.githubusercontent.com/u/183703408?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Sanjaykumar030", "html_url": "https://github.com/Sanjaykumar030", "followers_url": "https://api.github.com/users/San... | value:False | true | |||||||||
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The current documentation example for `datasets.Dataset.map()` demonstrates batched processing but uses a `tokenizer` object without defining or importing it. This causes an error every time it's copied.
Here is the problematic line:
```python
# process a batch of examples
>>> ds = ds.map(lambda... | value:https://api.github.com/repos/huggingface/datasets/issues/7703/comments | value:I_kwDODunzps7Cpdku | value:open | value:1 | value:2025-07-27T09:44:35Z | value:https://api.github.com/repos/huggingface/datasets/issues/7703/labels{/name} | value:7703 | json:{"login": "Sanjaykumar030", "id": 183703408, "node_id": "U_kgDOCvMXcA", "avatar_url": "https://avatars.githubusercontent.com/u/183703408?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Sanjaykumar030", "html_url": "https://github.com/Sanjaykumar030", "followers_url": "https://api.github.com/users/San... | true | |||||||||||
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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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```
num_proc (int, optional, defaults to None) — Max number of processes when generating cache. Already cached
shards are loaded sequentially.
```
for batch:
```
num_proc (int, optional, defaults to None):... | value:https://api.github.com/repos/huggingface/datasets/issues/7700/comments | value:I_kwDODunzps7Ci4BP | value:open | value:0 | value:2025-07-25T17:39:36Z | value:https://api.github.com/repos/huggingface/datasets/issues/7700/labels{/name} | value:7700 | json:{"login": "sfc-gh-sbekman", "id": 196988264, "node_id": "U_kgDOC73NaA", "avatar_url": "https://avatars.githubusercontent.com/u/196988264?v=4", "gravatar_id": "", "url": "https://api.github.com/users/sfc-gh-sbekman", "html_url": "https://github.com/sfc-gh-sbekman", "followers_url": "https://api.github.com/users/sfc... | true | |||||||||||
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https://huggingface.co/docs/datasets/main/en/video_dataset#webdataset
<img width="2048" height="264" alt="Image" src="https://github.com/user-attachments/assets/975dd10c-aad8-42fc-9fbc-de0e2747a326" /> | value:https://api.github.com/repos/huggingface/datasets/issues/7699/comments | value:I_kwDODunzps7CX7jz | value:open | value:2 | value:2026-03-26T18:28:43Z | value:https://api.github.com/repos/huggingface/datasets/issues/7699/labels{/name} | value:7699 | json:{"login": "cleong110", "id": 122366389, "node_id": "U_kgDOB0sptQ", "avatar_url": "https://avatars.githubusercontent.com/u/122366389?v=4", "gravatar_id": "", "url": "https://api.github.com/users/cleong110", "html_url": "https://github.com/cleong110", "followers_url": "https://api.github.com/users/cleong110/follower... | true | |||||||||||
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When attempting to load a large dataset (like tiiuae/falcon-refinedweb or allenai/c4) using streaming=True in a standard Google Colab notebook, the process fails with a NotImplementedError: Loading a streaming dataset cached in a LocalFileSystem is not supported yet. This issue persists even... | value:https://api.github.com/repos/huggingface/datasets/issues/7698/comments | value:I_kwDODunzps7CCLaE | value:open | value:2 | value:2025-07-23T15:06:23Z | value:https://api.github.com/repos/huggingface/datasets/issues/7698/labels{/name} | value:7698 | json:{"login": "Aniket17200", "id": 100470741, "node_id": "U_kgDOBf0P1Q", "avatar_url": "https://avatars.githubusercontent.com/u/100470741?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Aniket17200", "html_url": "https://github.com/Aniket17200", "followers_url": "https://api.github.com/users/Aniket17200/... | true | |||||||||||
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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
fr... | value:https://api.github.com/repos/huggingface/datasets/issues/7696/comments | value:I_kwDODunzps7B63QG | value:closed | value:2 | value:2025-07-30T14:22:21Z | value:https://api.github.com/repos/huggingface/datasets/issues/7696/labels{/name} | value:7696 | json:{"login": "Manalelaidouni", "id": 25346345, "node_id": "MDQ6VXNlcjI1MzQ2MzQ1", "avatar_url": "https://avatars.githubusercontent.com/u/25346345?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Manalelaidouni", "html_url": "https://github.com/Manalelaidouni", "followers_url": "https://api.github.com/use... | true | ||||||||
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May close - #4101, #2538
Discussion - https://github.com/huggingface/datasets/pull/7648#issuecomment-3084050130
---
### Note - This PR is under work and frequent changes will be pushed. | value:https://api.github.com/repos/huggingface/datasets/issues/7695/comments | value:PR_kwDODunzps6gB7jS | value:closed | value:4 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7695", "html_url": "https://github.com/huggingface/datasets/pull/7695", "diff_url": "https://github.com/huggingface/datasets/pull/7695.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7695.patch", "merged_at": null} | value:2025-07-28T17:33:30Z | value:https://api.github.com/repos/huggingface/datasets/issues/7695/labels{/name} | value:7695 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||
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When exporting a Dataset object to a JSON Lines file using the .to_json(lines=True) method, the process consumes a very large amount of memory. The memory usage is proportional to the size of the entire Dataset object being saved, rather than being a low, constant memory operation.
This beh... | value:https://api.github.com/repos/huggingface/datasets/issues/7694/comments | value:I_kwDODunzps7BknMY | value:open | value:1 | value:2025-07-25T14:42:21Z | value:https://api.github.com/repos/huggingface/datasets/issues/7694/labels{/name} | value:7694 | json:{"login": "ycq0125", "id": 49603999, "node_id": "MDQ6VXNlcjQ5NjAzOTk5", "avatar_url": "https://avatars.githubusercontent.com/u/49603999?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ycq0125", "html_url": "https://github.com/ycq0125", "followers_url": "https://api.github.com/users/ycq0125/followers"... | true | |||||||||||
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Hello,
I'm trying to follow the [Hugging Face Pipelines tutorial](https://huggingface.co/docs/transformers/main_classes/pipelines) but the tutorial seems to work only on old datasets versions.
I then get the error :
```
---------------------------------------------------------------------... | value:https://api.github.com/repos/huggingface/datasets/issues/7693/comments | value:I_kwDODunzps7Bf6uO | value:open | value:42 | value:2026-09-10T13:07:44Z | value:https://api.github.com/repos/huggingface/datasets/issues/7693/labels{/name} | value:7693 | json:{"login": "edwinzajac", "id": 114297534, "node_id": "U_kgDOBtAKvg", "avatar_url": "https://avatars.githubusercontent.com/u/114297534?v=4", "gravatar_id": "", "url": "https://api.github.com/users/edwinzajac", "html_url": "https://github.com/edwinzajac", "followers_url": "https://api.github.com/users/edwinzajac/foll... | true | |||||||||||
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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: in... | value:https://api.github.com/repos/huggingface/datasets/issues/7692/comments | value:I_kwDODunzps7BfiDb | value:open | value:1 | value:2025-07-25T14:38:54Z | value:https://api.github.com/repos/huggingface/datasets/issues/7692/labels{/name} | value:7692 | json:{"login": "sedol1339", "id": 5188731, "node_id": "MDQ6VXNlcjUxODg3MzE=", "avatar_url": "https://avatars.githubusercontent.com/u/5188731?v=4", "gravatar_id": "", "url": "https://api.github.com/users/sedol1339", "html_url": "https://github.com/sedol1339", "followers_url": "https://api.github.com/users/sedol1339/foll... | true | |||||||||||
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I am creating a large WebDataset-format dataset for sign language processing research, and a number of the videos are over 2GB. The instant I hit one of the shards with one of those videos, I get a ArrowCapacityError, even with streaming.
I made a config for the dataset that specifically... | value:https://api.github.com/repos/huggingface/datasets/issues/7691/comments | value:I_kwDODunzps7Bcx6i | value:open | value:5 | value:2025-07-25T08:51:10Z | value:https://api.github.com/repos/huggingface/datasets/issues/7691/labels{/name} | value:7691 | json:{"login": "cleong110", "id": 122366389, "node_id": "U_kgDOB0sptQ", "avatar_url": "https://avatars.githubusercontent.com/u/122366389?v=4", "gravatar_id": "", "url": "https://api.github.com/users/cleong110", "html_url": "https://github.com/cleong110", "followers_url": "https://api.github.com/users/cleong110/follower... | true | |||||||||||
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Up until a couple days ago I was having no issues loading `Helsinki-NLP/europarl` and `Helsinki-NLP/un_pc`, but now suddenly I get the following error:
```
huggingface_hub.errors.BadRequestError: (Request ID: ...)
Bad request:
* Invalid input: expected array, received string * at paths * I... | value:https://api.github.com/repos/huggingface/datasets/issues/7689/comments | value:I_kwDODunzps7BRdlN | value:closed | value:17 | value:2025-07-18T11:59:51Z | value:https://api.github.com/repos/huggingface/datasets/issues/7689/labels{/name} | value:7689 | json:{"login": "WPoelman", "id": 45011687, "node_id": "MDQ6VXNlcjQ1MDExNjg3", "avatar_url": "https://avatars.githubusercontent.com/u/45011687?v=4", "gravatar_id": "", "url": "https://api.github.com/users/WPoelman", "html_url": "https://github.com/WPoelman", "followers_url": "https://api.github.com/users/WPoelman/follow... | true | ||||||||
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hello, when I run the command "from datasets.distributed import split_dataset_by_node", I always met the bug "No module named 'datasets.distributed" in different version like 4.0.0, 2.21.0 and so on. How can I solve this?
### Steps to reproduce the bug
1. pip install datasets
2. from datas... | value:https://api.github.com/repos/huggingface/datasets/issues/7688/comments | value:I_kwDODunzps7BDPNz | value:open | value:3 | value:2025-07-25T15:14:19Z | value:https://api.github.com/repos/huggingface/datasets/issues/7688/labels{/name} | value:7688 | json:{"login": "yingtongxiong", "id": 45058324, "node_id": "MDQ6VXNlcjQ1MDU4MzI0", "avatar_url": "https://avatars.githubusercontent.com/u/45058324?v=4", "gravatar_id": "", "url": "https://api.github.com/users/yingtongxiong", "html_url": "https://github.com/yingtongxiong", "followers_url": "https://api.github.com/users/... | true | |||||||||||
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Every time it runs, somehow, samples increase.
This can cause a 12mb dataset to have other built versions of 400 mbs+
<img width="363" height="481" alt="Image" src="https://github.com/user-attachments/assets/766ce958-bd2b-41bc-b950-86710259bfdc" />
### Steps to reproduce the bug
`from da... | value:https://api.github.com/repos/huggingface/datasets/issues/7687/comments | value:I_kwDODunzps7BC49t | value:open | value:1 | value:2025-07-25T15:21:31Z | value:https://api.github.com/repos/huggingface/datasets/issues/7687/labels{/name} | value:7687 | json:{"login": "CALEB789", "id": 58883113, "node_id": "MDQ6VXNlcjU4ODgzMTEz", "avatar_url": "https://avatars.githubusercontent.com/u/58883113?v=4", "gravatar_id": "", "url": "https://api.github.com/users/CALEB789", "html_url": "https://github.com/CALEB789", "followers_url": "https://api.github.com/users/CALEB789/follow... | true | |||||||||||
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I'm not entirely sure if this should be submitted as a bug in the `datasets` library or the `huggingface_hub` library, given it could be fixed at different levels of the stack.
The fundamental issue is that the `load_datasets` api doesn't use the `.no_exist` files in the hub cache unlike ot... | value:https://api.github.com/repos/huggingface/datasets/issues/7686/comments | value:I_kwDODunzps7A88TC | value:open | value:1 | value:2026-06-13T13:18:28Z | value:https://api.github.com/repos/huggingface/datasets/issues/7686/labels{/name} | value:7686 | json:{"login": "jmaccarl", "id": 3627235, "node_id": "MDQ6VXNlcjM2MjcyMzU=", "avatar_url": "https://avatars.githubusercontent.com/u/3627235?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jmaccarl", "html_url": "https://github.com/jmaccarl", "followers_url": "https://api.github.com/users/jmaccarl/follower... | true | |||||||||||
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First off, I do apologize if this is not the correct repo for submitting this issue. Please direct me to another one if it's more appropriate elsewhere.
The datasets rest api is inconsistently giving `416 Range Not Satisfiable` when using a range request to get portions of the parquet file... | value:https://api.github.com/repos/huggingface/datasets/issues/7685/comments | value:I_kwDODunzps7A8GKM | value:open | value:5 | value:2025-08-11T08:16:54Z | value:https://api.github.com/repos/huggingface/datasets/issues/7685/labels{/name} | value:7685 | json:{"login": "universalmind303", "id": 21327470, "node_id": "MDQ6VXNlcjIxMzI3NDcw", "avatar_url": "https://avatars.githubusercontent.com/u/21327470?v=4", "gravatar_id": "", "url": "https://api.github.com/users/universalmind303", "html_url": "https://github.com/universalmind303", "followers_url": "https://api.github.c... | true | |||||||||||
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Casting features with Audio for numpy arrays - done here with `ds.map(gen_sine, features=features)` fails
in version 4.0.0 but not in version 3.6.0
### Steps to reproduce the bug
The following `uv script` should be able to reproduce the bug in version 4.0.0
and pass in version 3.6.0 on a ... | value:https://api.github.com/repos/huggingface/datasets/issues/7682/comments | value:I_kwDODunzps7AgR3V | value:closed | value:2 | value:2025-07-15T12:10:39Z | value:https://api.github.com/repos/huggingface/datasets/issues/7682/labels{/name} | value:7682 | json:{"login": "luatil-cloud", "id": 163345686, "node_id": "U_kgDOCbx1Fg", "avatar_url": "https://avatars.githubusercontent.com/u/163345686?v=4", "gravatar_id": "", "url": "https://api.github.com/users/luatil-cloud", "html_url": "https://github.com/luatil-cloud", "followers_url": "https://api.github.com/users/luatil-cl... | true | ||||||||
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A probabilistic issue encountered when processing datasets containing PIL.Image columns using the huggingface/datasets library on Python 3.10. The process occasionally experiences a sudden and significant memory spike, reaching 100% utilization, leading to a complete freeze. During this free... | value:https://api.github.com/repos/huggingface/datasets/issues/7681/comments | value:I_kwDODunzps7AWdUg | value:open | value:0 | value:2025-07-14T01:57:16Z | value:https://api.github.com/repos/huggingface/datasets/issues/7681/labels{/name} | value:7681 | json:{"login": "ryan-minato", "id": 82735346, "node_id": "MDQ6VXNlcjgyNzM1MzQ2", "avatar_url": "https://avatars.githubusercontent.com/u/82735346?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ryan-minato", "html_url": "https://github.com/ryan-minato", "followers_url": "https://api.github.com/users/ryan-m... | true | |||||||||||
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I am confused,
1. If we have already loaded the dataset, why doing `to_iterable_dataset`? Does it go through the dataset faster than map-style ... | value:https://api.github.com/repos/huggingface/datasets/issues/7680/comments | value:I_kwDODunzps7ANulX | value:open | value:8 | value:2025-08-01T13:01:48Z | value:https://api.github.com/repos/huggingface/datasets/issues/7680/labels{/name} | value:7680 | json:{"login": "Tavish9", "id": 73541181, "node_id": "MDQ6VXNlcjczNTQxMTgx", "avatar_url": "https://avatars.githubusercontent.com/u/73541181?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Tavish9", "html_url": "https://github.com/Tavish9", "followers_url": "https://api.github.com/users/Tavish9/followers"... | true | |||||||||||
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worked fine with 3.6.0, and with 4.0.0 `eval_metric = metric.compute()` in HF Accelerate breaks.
The code that fails is:
https://huggingface.co/spaces/evaluate-metric/glue/blob/v0.4.0/glue.py#L84
```
def simple_accuracy(preds, labels):
print(preds, labels)
print(f"{preds==labels}")... | value:https://api.github.com/repos/huggingface/datasets/issues/7679/comments | value:I_kwDODunzps6_-VCr | value:closed | value:2 | value:2025-07-11T17:42:01Z | value:https://api.github.com/repos/huggingface/datasets/issues/7679/labels{/name} | value:7679 | json:{"login": "stas00", "id": 10676103, "node_id": "MDQ6VXNlcjEwNjc2MTAz", "avatar_url": "https://avatars.githubusercontent.com/u/10676103?v=4", "gravatar_id": "", "url": "https://api.github.com/users/stas00", "html_url": "https://github.com/stas00", "followers_url": "https://api.github.com/users/stas00/followers", "f... | true | ||||||||
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In the latest version of datasets==4.0.0, i cannot print the audio data on the Colab notebook. But it works on the 3.6.0 version.
!pip install -q -U datasets huggingface_hub fsspec
from datasets import load_dataset
downloaded_dataset = load_dataset("ymoslem/MediaSpeech", "tr", split="train")
print(downloaded_... | value:https://api.github.com/repos/huggingface/datasets/issues/7678/comments | value:I_kwDODunzps6_2FQI | value:closed | value:4 | value:2026-03-05T00:58:32Z | value:https://api.github.com/repos/huggingface/datasets/issues/7678/labels{/name} | value:7678 | json:{"login": "alpcansoydas", "id": 48163702, "node_id": "MDQ6VXNlcjQ4MTYzNzAy", "avatar_url": "https://avatars.githubusercontent.com/u/48163702?v=4", "gravatar_id": "", "url": "https://api.github.com/users/alpcansoydas", "html_url": "https://github.com/alpcansoydas", "followers_url": "https://api.github.com/users/alp... | true | ||||||||
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With the latest 4.0.0 release, huggingface toxicity evaluation module fails with error: `ValueError: text input must be of type `str` (single example), `List[str]` (batch or single pretokenized example) or `List[List[str]]` (batch of pretokenized examples).`
### Steps to reproduce the bug
... | value:https://api.github.com/repos/huggingface/datasets/issues/7677/comments | value:I_kwDODunzps6_z3bw | value:closed | value:2 | value:2025-07-11T04:40:59Z | value:https://api.github.com/repos/huggingface/datasets/issues/7677/labels{/name} | value:7677 | json:{"login": "serena-ruan", "id": 82044803, "node_id": "MDQ6VXNlcjgyMDQ0ODAz", "avatar_url": "https://avatars.githubusercontent.com/u/82044803?v=4", "gravatar_id": "", "url": "https://api.github.com/users/serena-ruan", "html_url": "https://github.com/serena-ruan", "followers_url": "https://api.github.com/users/serena... | true | ||||||||
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The new changes in 4.0.0 are breaking many datasets, including those from lm-evaluation-harness.
I am trying to revert back to older versions, like 3.6.0 to make the eval work but I keep getting:
``` Python
File /venv/main/lib/python3.12/site-packages/datasets/features/features.py:1474, in ... | value:https://api.github.com/repos/huggingface/datasets/issues/7676/comments | value:I_kwDODunzps6_vVnX | value:open | value:18 | value:2026-02-17T17:18:19Z | value:https://api.github.com/repos/huggingface/datasets/issues/7676/labels{/name} | value:7676 | json:{"login": "mobicham", "id": 37179323, "node_id": "MDQ6VXNlcjM3MTc5MzIz", "avatar_url": "https://avatars.githubusercontent.com/u/37179323?v=4", "gravatar_id": "", "url": "https://api.github.com/users/mobicham", "html_url": "https://github.com/mobicham", "followers_url": "https://api.github.com/users/mobicham/follow... | true | |||||||||||
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I tried to download dataset but have got this error:
from datasets import load_dataset
load_dataset("mozilla-foundation/common_voice_11_0", "en", split="test", streaming=True)
---------------------------------------------------------------------------
RuntimeError ... | value:https://api.github.com/repos/huggingface/datasets/issues/7675/comments | value:I_kwDODunzps6_uu7W | value:open | value:5 | value:2025-07-22T09:35:42Z | value:https://api.github.com/repos/huggingface/datasets/issues/7675/labels{/name} | value:7675 | json:{"login": "egegurel", "id": 98793855, "node_id": "U_kgDOBeN5fw", "avatar_url": "https://avatars.githubusercontent.com/u/98793855?v=4", "gravatar_id": "", "url": "https://api.github.com/users/egegurel", "html_url": "https://github.com/egegurel", "followers_url": "https://api.github.com/users/egegurel/followers", "f... | true | |||||||||||
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>>> Features({"a": Sequence(Sequence({"c": Value("int64")}))})
{'a': List({'c': List(Value('int64'))})}
```
instead of `{'a': {'c': List(List(Value('int64')))}}` | value:https://api.github.com/repos/huggingface/datasets/issues/7672/comments | value:PR_kwDODunzps6eF1vj | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7672", "html_url": "https://github.com/huggingface/datasets/pull/7672", "diff_url": "https://github.com/huggingface/datasets/pull/7672.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7672.patch", "merged_at": "2025-07-09T09:56:27Z"} | value:2025-07-09T09:56:29Z | value:https://api.github.com/repos/huggingface/datasets/issues/7672/labels{/name} | value:7672 | json:{"login": "lhoestq", "id": 42851186, "node_id": "MDQ6VXNlcjQyODUxMTg2", "avatar_url": "https://avatars.githubusercontent.com/u/42851186?v=4", "gravatar_id": "", "url": "https://api.github.com/users/lhoestq", "html_url": "https://github.com/lhoestq", "followers_url": "https://api.github.com/users/lhoestq/followers"... | value:False | true | |||||||||
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https://github.com/huggingface/datasets/blob/8a19de052e3d79f79cea26821454bbcf0e9dcd68/src/datasets/arrow_dataset.py#L3652C29-L3652C37
Here we can see the writer is initialized on `i==0`. However, there can be cases where in the user mapping function, the first example is filtered out (lengt... | value:https://api.github.com/repos/huggingface/datasets/issues/7671/comments | value:I_kwDODunzps6_hefO | value:open | value:4 | value:2026-01-20T13:59:31Z | value:https://api.github.com/repos/huggingface/datasets/issues/7671/labels{/name} | value:7671 | json:{"login": "dnaihao", "id": 46325823, "node_id": "MDQ6VXNlcjQ2MzI1ODIz", "avatar_url": "https://avatars.githubusercontent.com/u/46325823?v=4", "gravatar_id": "", "url": "https://api.github.com/users/dnaihao", "html_url": "https://github.com/dnaihao", "followers_url": "https://api.github.com/users/dnaihao/followers"... | true | ||||||||||
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When parsing this image in the ImageNet1K dataset, the `datasets` crashs whole training process just because unable to parse an invalid EXIF tag.
### Steps to reproduce the bug
Use the `datasets.Image... | value:https://api.github.com/repos/huggingface/datasets/issues/7668/comments | value:I_kwDODunzps6-rXda | value:open | value:1 | value:2025-07-03T12:27:16Z | value:https://api.github.com/repos/huggingface/datasets/issues/7668/labels{/name} | value:7668 | json:{"login": "Seas0", "id": 30485844, "node_id": "MDQ6VXNlcjMwNDg1ODQ0", "avatar_url": "https://avatars.githubusercontent.com/u/30485844?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Seas0", "html_url": "https://github.com/Seas0", "followers_url": "https://api.github.com/users/Seas0/followers", "follo... | true | |||||||||||
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When loading a `.jsonl` file using `load_dataset("json", data_files="data.jsonl", split="train")`, the function misinterprets the content of a string field as if it were part of the dataset schema.
In my case there is a field `body:` with a string value
```
"### Describe the bug (...) ,a... | value:https://api.github.com/repos/huggingface/datasets/issues/7665/comments | value:I_kwDODunzps6-VPmT | value:closed | value:1 | value:2025-07-01T17:17:48Z | value:https://api.github.com/repos/huggingface/datasets/issues/7665/labels{/name} | value:7665 | json:{"login": "zdzichukowalski", "id": 1151198, "node_id": "MDQ6VXNlcjExNTExOTg=", "avatar_url": "https://avatars.githubusercontent.com/u/1151198?v=4", "gravatar_id": "", "url": "https://api.github.com/users/zdzichukowalski", "html_url": "https://github.com/zdzichukowalski", "followers_url": "https://api.github.com/us... | true | ||||||||
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When loading a `.jsonl` file using `load_dataset("json", data_files="data.jsonl", split="train")`, the function misinterprets the content of a string field as if it were part of the dataset schema.
In my case there is a field `body:` with a string value
```
"### Describe the bug (...) ,a... | value:https://api.github.com/repos/huggingface/datasets/issues/7664/comments | value:I_kwDODunzps6-VPX7 | value:open | value:6 | value:2025-07-09T13:14:11Z | value:https://api.github.com/repos/huggingface/datasets/issues/7664/labels{/name} | value:7664 | json:{"login": "zdzichukowalski", "id": 1151198, "node_id": "MDQ6VXNlcjExNTExOTg=", "avatar_url": "https://avatars.githubusercontent.com/u/1151198?v=4", "gravatar_id": "", "url": "https://api.github.com/users/zdzichukowalski", "html_url": "https://github.com/zdzichukowalski", "followers_url": "https://api.github.com/us... | true | |||||||||||
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To make multiple subsets for an imagefolder (one metadata file per subset), e.g.
```yaml
configs:
- config_name: default
metadata_filenames:
- metadata.csv
- config_name: other
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I have a 30TB dataset. When I perform add_column and cast_column operations on it and then execute a multiprocessing map, it results in an OOM (Out of Memory) error. However, if I skip the add_column and cast_column steps and directly run the map, there is no OOM. After debugging step by ste... | value:https://api.github.com/repos/huggingface/datasets/issues/7662/comments | value:I_kwDODunzps6-L9Qb | value:open | value:5 | value:2025-07-10T06:17:40Z | value:https://api.github.com/repos/huggingface/datasets/issues/7662/labels{/name} | value:7662 | json:{"login": "JunjieLl", "id": 26482910, "node_id": "MDQ6VXNlcjI2NDgyOTEw", "avatar_url": "https://avatars.githubusercontent.com/u/26482910?v=4", "gravatar_id": "", "url": "https://api.github.com/users/JunjieLl", "html_url": "https://github.com/JunjieLl", "followers_url": "https://api.github.com/users/JunjieLl/follow... | true | |||||||||||
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`AttributeError: type object 'tqdm' has no attribute '_lock'`
It occurs when I'm trying to load datasets in thread pool.
Issue https://github.com/huggingface/datasets/issues/6066 and PR https://github.com/huggingface/datasets/pull/6067 https://github.com/huggingface/datasets/pull/6068 trie... | value:https://api.github.com/repos/huggingface/datasets/issues/7660/comments | value:I_kwDODunzps6-FLWb | value:open | value:2 | value:2025-07-03T15:14:27Z | value:https://api.github.com/repos/huggingface/datasets/issues/7660/labels{/name} | value:7660 | json:{"login": "Hypothesis-Z", "id": 44766273, "node_id": "MDQ6VXNlcjQ0NzY2Mjcz", "avatar_url": "https://avatars.githubusercontent.com/u/44766273?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Hypothesis-Z", "html_url": "https://github.com/Hypothesis-Z", "followers_url": "https://api.github.com/users/Hyp... | true | |||||||||||
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This PR introduces subset_name as a user-facing alias for the name (previously `config_name`) argument in load_dataset. It aligns terminology with the Hugging Face Hub UI (which shows “Subset”), reducing confusion for new users.
Supports `subset_name` in `load_dataset()`
Adds `.subset_name` p... | value:https://api.github.com/repos/huggingface/datasets/issues/7657/comments | value:PR_kwDODunzps6cks2E | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7657", "html_url": "https://github.com/huggingface/datasets/pull/7657", "diff_url": "https://github.com/huggingface/datasets/pull/7657.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7657.patch", "merged_at": null} | value:2025-07-18T17:45:41Z | value:https://api.github.com/repos/huggingface/datasets/issues/7657/labels{/name} | value:7657 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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### Problem
When calling `.map()` on an `IterableDataset`, resuming from a checkpoint skips a large number of samples. This is because `MappedExamplesIterable` did not implement `state_dict()` or `load_state_dict()`, so checkpointing was not properly delegated to the underlying iterable.
### Wh... | value:https://api.github.com/repos/huggingface/datasets/issues/7656/comments | value:PR_kwDODunzps6ckPHc | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7656", "html_url": "https://github.com/huggingface/datasets/pull/7656", "diff_url": "https://github.com/huggingface/datasets/pull/7656.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7656.patch", "merged_at": null} | value:2025-06-29T07:50:13Z | value:https://api.github.com/repos/huggingface/datasets/issues/7656/labels{/name} | value:7656 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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This PR resolves a compatibility error when loading datasets via `load_dataset()` using outdated arguments like `use_auth_token`.
**What was happening:**
Users passing `use_auth_token` in `load_dataset(..., use_auth_token=...)` encountered a `ValueError`: BuilderConfig ParquetConfig(...) doesn'... | value:https://api.github.com/repos/huggingface/datasets/issues/7654/comments | value:PR_kwDODunzps6chPmz | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7654", "html_url": "https://github.com/huggingface/datasets/pull/7654", "diff_url": "https://github.com/huggingface/datasets/pull/7654.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7654.patch", "merged_at": null} | value:2025-06-28T09:20:21Z | value:https://api.github.com/repos/huggingface/datasets/issues/7654/labels{/name} | value:7654 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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Fixes #7503
Partially addresses #5044 by allowing `load_dataset()` to auto-detect and gracefully delegate to `load_from_disk()` for locally saved datasets.
---
### What does this PR do?
This PR introduces a minimal fallback mechanism in `load_dataset()` that detects when the provi... | value:https://api.github.com/repos/huggingface/datasets/issues/7653/comments | value:PR_kwDODunzps6chLmb | value:open | value:3 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7653", "html_url": "https://github.com/huggingface/datasets/pull/7653", "diff_url": "https://github.com/huggingface/datasets/pull/7653.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7653.patch", "merged_at": null} | value:2026-10-02T12:33:39Z | value:https://api.github.com/repos/huggingface/datasets/issues/7653/labels{/name} | value:7653 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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This PR adds support for filtering specific columns when loading datasets from .json or .jsonl files — similar to how the columns=... argument works for Parquet.
As suggested, support for the `columns=...` argument (previously available for Parquet) has now been extended to **JSON and JSONL** loa... | value:https://api.github.com/repos/huggingface/datasets/issues/7652/comments | value:PR_kwDODunzps6cdCnv | value:closed | value:3 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7652", "html_url": "https://github.com/huggingface/datasets/pull/7652", "diff_url": "https://github.com/huggingface/datasets/pull/7652.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7652.patch", "merged_at": null} | value:2025-09-04T17:35:31Z | value:https://api.github.com/repos/huggingface/datasets/issues/7652/labels{/name} | value:7652 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||
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The metadata files generated by the `DatasetDict.save_to_file` function are not included in the folder_based_builder's metadata list, causing issues when only 1 actual data file is present, as described in issue #7650.
This PR adds these filenames to the builder, allowing correct loading. | value:https://api.github.com/repos/huggingface/datasets/issues/7651/comments | value:PR_kwDODunzps6cbMmg | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7651", "html_url": "https://github.com/huggingface/datasets/pull/7651", "diff_url": "https://github.com/huggingface/datasets/pull/7651.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7651.patch", "merged_at": null} | value:2025-06-30T08:19:37Z | value:https://api.github.com/repos/huggingface/datasets/issues/7651/labels{/name} | value:7651 | json:{"login": "iPieter", "id": 6965756, "node_id": "MDQ6VXNlcjY5NjU3NTY=", "avatar_url": "https://avatars.githubusercontent.com/u/6965756?v=4", "gravatar_id": "", "url": "https://api.github.com/users/iPieter", "html_url": "https://github.com/iPieter", "followers_url": "https://api.github.com/users/iPieter/followers", ... | value:False | true | |||||||||||
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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 ... | value:https://api.github.com/repos/huggingface/datasets/issues/7650/comments | value:I_kwDODunzps69tNbj | value:open | value:0 | value:2025-06-27T12:54:25Z | value:https://api.github.com/repos/huggingface/datasets/issues/7650/labels{/name} | value:7650 | json:{"login": "iPieter", "id": 6965756, "node_id": "MDQ6VXNlcjY5NjU3NTY=", "avatar_url": "https://avatars.githubusercontent.com/u/6965756?v=4", "gravatar_id": "", "url": "https://api.github.com/users/iPieter", "html_url": "https://github.com/iPieter", "followers_url": "https://api.github.com/users/iPieter/followers", ... | true | |||||||||||
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### Add num_proc support to `push_to_hub()` for parallel shard upload
This PR adds support for parallel upload of dataset shards via the `num_proc` argument in `Dataset.push_to_hub()`.
📌 While the `num_proc` parameter was already present in the `push_to_hub()` signature and correctly passed ... | value:https://api.github.com/repos/huggingface/datasets/issues/7649/comments | value:PR_kwDODunzps6cW0sQ | value:closed | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7649", "html_url": "https://github.com/huggingface/datasets/pull/7649", "diff_url": "https://github.com/huggingface/datasets/pull/7649.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7649.patch", "merged_at": null} | value:2025-07-07T18:13:53Z | value:https://api.github.com/repos/huggingface/datasets/issues/7649/labels{/name} | value:7649 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||
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This PR fixes the usage example in the Dataset.add_column() docstring, which previously implied that add_column() modifies the dataset in-place.
Why:
The method returns a new dataset with the additional column, and users must assign the result to a variable to preserve the change.
This shoul... | value:https://api.github.com/repos/huggingface/datasets/issues/7648/comments | value:PR_kwDODunzps6cWmSn | value:closed | value:8 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7648", "html_url": "https://github.com/huggingface/datasets/pull/7648", "diff_url": "https://github.com/huggingface/datasets/pull/7648.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7648.patch", "merged_at": "2025-07-17T13:14:17Z"} | value:2025-07-28T19:42:34Z | value:https://api.github.com/repos/huggingface/datasets/issues/7648/labels{/name} | value:7648 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||
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Hello everyone,
i am trying to load `mozilla-foundation--common_voice_11_0` and it fails. Reproducer
```
import datasets
datasets.load_dataset("mozilla-foundation/common_voice_11_0", "en", split="test", streaming=True, trust_remote_code=True)
```
and it fails with
```
File ~/opt/envs/.../... | value:https://api.github.com/repos/huggingface/datasets/issues/7647/comments | value:I_kwDODunzps69evdF | value:open | value:2 | value:2025-07-10T14:49:30Z | value:https://api.github.com/repos/huggingface/datasets/issues/7647/labels{/name} | value:7647 | json:{"login": "pavel-esir", "id": 5703039, "node_id": "MDQ6VXNlcjU3MDMwMzk=", "avatar_url": "https://avatars.githubusercontent.com/u/5703039?v=4", "gravatar_id": "", "url": "https://api.github.com/users/pavel-esir", "html_url": "https://github.com/pavel-esir", "followers_url": "https://api.github.com/users/pavel-esir/... | true | |||||||||||
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This PR introduces automatic **subset-level grouping** for folder-based dataset builders by:
1. Adding a utility function `group_files_by_subset()` that clusters files by root name (ignoring digits and shard suffixes).
2. Integrating this logic into `FolderBasedBuilder._split_generators()` to yie... | value:https://api.github.com/repos/huggingface/datasets/issues/7646/comments | value:PR_kwDODunzps6cLhrM | value:open | value:4 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7646", "html_url": "https://github.com/huggingface/datasets/pull/7646", "diff_url": "https://github.com/huggingface/datasets/pull/7646.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7646.patch", "merged_at": null} | value:2025-07-14T10:42:56Z | value:https://api.github.com/repos/huggingface/datasets/issues/7646/labels{/name} | value:7646 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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https://github.com/huggingface/datasets/blob/e71b0b19d79c7531f9b9bea7c09916b5f6157f42/src/datasets/features/features.py#L1126-L1129 | value:https://api.github.com/repos/huggingface/datasets/issues/7645/comments | value:PR_kwDODunzps6cHkp- | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7645", "html_url": "https://github.com/huggingface/datasets/pull/7645", "diff_url": "https://github.com/huggingface/datasets/pull/7645.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7645.patch", "merged_at": "2026-05-11T10:47:25Z"} | value:2026-05-11T10:47:25Z | value:https://api.github.com/repos/huggingface/datasets/issues/7645/labels{/name} | value:7645 | json:{"login": "l-uuz", "id": 56924246, "node_id": "MDQ6VXNlcjU2OTI0MjQ2", "avatar_url": "https://avatars.githubusercontent.com/u/56924246?v=4", "gravatar_id": "", "url": "https://api.github.com/users/l-uuz", "html_url": "https://github.com/l-uuz", "followers_url": "https://api.github.com/users/l-uuz/followers", "follo... | value:False | true | |||||||||
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before:
```python
In [3]: ds.features
Out[3]:
{'json': {'id': Value(dtype='string', id=None),
'metadata:transcript': [{'end': Value(dtype='float64', id=None),
'start': Value(dtype='float64', id=None),
'transcript': Value(dtype='string', id=None),
... | value:https://api.github.com/repos/huggingface/datasets/issues/7640/comments | value:PR_kwDODunzps6cEofU | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7640", "html_url": "https://github.com/huggingface/datasets/pull/7640", "diff_url": "https://github.com/huggingface/datasets/pull/7640.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7640.patch", "merged_at": "2025-06-25T14:46:45Z"} | value:2025-06-25T14:46:47Z | value:https://api.github.com/repos/huggingface/datasets/issues/7640/labels{/name} | value:7640 | json:{"login": "lhoestq", "id": 42851186, "node_id": "MDQ6VXNlcjQyODUxMTg2", "avatar_url": "https://avatars.githubusercontent.com/u/42851186?v=4", "gravatar_id": "", "url": "https://api.github.com/users/lhoestq", "html_url": "https://github.com/lhoestq", "followers_url": "https://api.github.com/users/lhoestq/followers"... | value:False | true | |||||||||
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## 🔧 What was added
- A new boolean field: `ignore_decode_errors` (default: `False`)
- If set to `True`, any exceptions during decoding will be caught, and `None` will be returned instead of raising an ... | value:https://api.github.com/repos/huggingface/datasets/issues/7638/comments | value:PR_kwDODunzps6b5vpZ | value:open | value:4 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7638", "html_url": "https://github.com/huggingface/datasets/pull/7638", "diff_url": "https://github.com/huggingface/datasets/pull/7638.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7638.patch", "merged_at": null} | value:2025-07-04T07:07:30Z | value:https://api.github.com/repos/huggingface/datasets/issues/7638/labels{/name} | value:7638 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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Add support for `subset_name` as an alias for `config_name` in the datasets library and related tools (such as loading scripts, documentation, and metadata).
### Motivation
The Hugging Face Hub dataset viewer displays a column named **"Subset"**, which refers to what is currently technicall... | value:https://api.github.com/repos/huggingface/datasets/issues/7637/comments | value:I_kwDODunzps69DxoC | value:open | value:4 | value:2025-07-01T16:08:33Z | value:https://api.github.com/repos/huggingface/datasets/issues/7637/labels{/name} | value:7637 | json:{"login": "albertvillanova", "id": 8515462, "node_id": "MDQ6VXNlcjg1MTU0NjI=", "avatar_url": "https://avatars.githubusercontent.com/u/8515462?v=4", "gravatar_id": "", "url": "https://api.github.com/users/albertvillanova", "html_url": "https://github.com/albertvillanova", "followers_url": "https://api.github.com/us... | true | |||||||||||
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```python
print("open" in globals()["__builtins__"])
```
Traceback (most recent call last):
File "./main.py", line 2, in <module>
print("open" in globals()["__builtins__"])
^^^^^^^^^^^^^^^^^^^^^^... | value:https://api.github.com/repos/huggingface/datasets/issues/7636/comments | value:I_kwDODunzps68_8LX | value:open | value:4 | value:2025-07-10T04:13:16Z | value:https://api.github.com/repos/huggingface/datasets/issues/7636/labels{/name} | value:7636 | json:{"login": "kuanyan9527", "id": 51187979, "node_id": "MDQ6VXNlcjUxMTg3OTc5", "avatar_url": "https://avatars.githubusercontent.com/u/51187979?v=4", "gravatar_id": "", "url": "https://api.github.com/users/kuanyan9527", "html_url": "https://github.com/kuanyan9527", "followers_url": "https://api.github.com/users/kuanya... | true | ||||||||||
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This caused issues downstream in statistics computation (e.g., dataset-viewer) where such columns were incorrectly labeled as `"int"... | value:https://api.github.com/repos/huggingface/datasets/issues/7635/comments | value:PR_kwDODunzps6bybOe | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7635", "html_url": "https://github.com/huggingface/datasets/pull/7635", "diff_url": "https://github.com/huggingface/datasets/pull/7635.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7635.patch", "merged_at": null} | value:2025-06-24T06:16:48Z | value:https://api.github.com/repos/huggingface/datasets/issues/7635/labels{/name} | value:7635 | json:{"login": "ArjunJagdale", "id": 142811259, "node_id": "U_kgDOCIMgew", "avatar_url": "https://avatars.githubusercontent.com/u/142811259?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ArjunJagdale", "html_url": "https://github.com/ArjunJagdale", "followers_url": "https://api.github.com/users/ArjunJagd... | value:False | true | |||||||||||
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This PR removes most mentions of Sequence and usage of `[ ]` and defines a proper List type instead.
before: `Sequence(Value("int64"))` or `[Value("int64")... | value:https://api.github.com/repos/huggingface/datasets/issues/7634/comments | value:PR_kwDODunzps6buyij | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/7634", "html_url": "https://github.com/huggingface/datasets/pull/7634", "diff_url": "https://github.com/huggingface/datasets/pull/7634.diff", "patch_url": "https://github.com/huggingface/datasets/pull/7634.patch", "merged_at": "2025-06-25T13:59:11Z"} | value:2025-06-25T13:59:13Z | value:https://api.github.com/repos/huggingface/datasets/issues/7634/labels{/name} | value:7634 | json:{"login": "lhoestq", "id": 42851186, "node_id": "MDQ6VXNlcjQyODUxMTg2", "avatar_url": "https://avatars.githubusercontent.com/u/42851186?v=4", "gravatar_id": "", "url": "https://api.github.com/users/lhoestq", "html_url": "https://github.com/lhoestq", "followers_url": "https://api.github.com/users/lhoestq/followers"... | value:False | true | |||||||||
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- Size: 50 samples
- Format: CSV with columns (text1, text2, label)
- Use case: Training NLP models for coherence
I’ll use GitHub’s we... | value:https://api.github.com/repos/huggingface/datasets/issues/7633/comments | value:I_kwDODunzps682fEV | value:open | value:0 | value:2025-06-23T14:24:40Z | value:https://api.github.com/repos/huggingface/datasets/issues/7633/labels{/name} | value:7633 | json:{"login": "bikkiNitSrinagar", "id": 66418501, "node_id": "MDQ6VXNlcjY2NDE4NTAx", "avatar_url": "https://avatars.githubusercontent.com/u/66418501?v=4", "gravatar_id": "", "url": "https://api.github.com/users/bikkiNitSrinagar", "html_url": "https://github.com/bikkiNitSrinagar", "followers_url": "https://api.github.c... | true | |||||||||||
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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 sam... | value:https://api.github.com/repos/huggingface/datasets/issues/7632/comments | value:I_kwDODunzps682CvF | value:open | value:2 | value:2025-07-08T06:52:53Z | value:https://api.github.com/repos/huggingface/datasets/issues/7632/labels{/name} | value:7632 | json:{"login": "ganiket19", "id": 37377515, "node_id": "MDQ6VXNlcjM3Mzc3NTE1", "avatar_url": "https://avatars.githubusercontent.com/u/37377515?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ganiket19", "html_url": "https://github.com/ganiket19", "followers_url": "https://api.github.com/users/ganiket19/fo... | true |
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