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https://api.github.com/repos/huggingface/datasets/issues/7737 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7737/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7737/comments | https://api.github.com/repos/huggingface/datasets/issues/7737/events | https://github.com/huggingface/datasets/pull/7737 | 3,318,670,801 | PR_kwDODunzps6jf5io | 7,737 | docs: Add column overwrite example to batch mapping guide | {
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### Proposed Change
The original `remove_columns` example remains untouched. Below it, this PR introduces an alternative approach that overwrites an existing colum... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7736 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7736/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7736/comments | https://api.github.com/repos/huggingface/datasets/issues/7736/events | https://github.com/huggingface/datasets/pull/7736 | 3,311,618,096 | PR_kwDODunzps6jIWQ3 | 7,736 | Fix type hint `train_test_split` | {
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https://api.github.com/repos/huggingface/datasets/issues/7735 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7735/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7735/comments | https://api.github.com/repos/huggingface/datasets/issues/7735/events | https://github.com/huggingface/datasets/pull/7735 | 3,310,514,828 | PR_kwDODunzps6jEq5w | 7,735 | fix largelist repr | {
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https://api.github.com/repos/huggingface/datasets/issues/7734 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7734/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7734/comments | https://api.github.com/repos/huggingface/datasets/issues/7734/events | https://github.com/huggingface/datasets/pull/7734 | 3,306,519,239 | PR_kwDODunzps6i4pmA | 7,734 | Fixing __getitem__ of datasets which behaves inconsistent to documentation when setting _format_type to None | {
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} | Setting _format_type to None, should return plain python object but as of 4.0.0 returns Column. This fails in libs such as sentencetransformers (such as in generation of hard negatives) where plain python is expected. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7733 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7733/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7733/comments | https://api.github.com/repos/huggingface/datasets/issues/7733/events | https://github.com/huggingface/datasets/issues/7733 | 3,304,979,299 | I_kwDODunzps7E_ftj | 7,733 | Dataset Repo Paths to Locally Stored Images Not Being Appended to Image Path | {
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"gists_url": "... | [] | open | false | null | [] | null | 2025-08-08T19:10:58 | 2025-08-12T00:54:58 | null | NONE | null | null | null | null | ### Describe the bug
I’m not sure if this is a bug or a feature and I just don’t fully understand how dataset loading is to work, but it appears there may be a bug with how locally stored Image() are being accessed. I’ve uploaded a new dataset to hugging face (rmdig/rocky_mountain_snowpack) but I’ve come into a ton of... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7732 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7732/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7732/comments | https://api.github.com/repos/huggingface/datasets/issues/7732/events | https://github.com/huggingface/datasets/issues/7732 | 3,304,673,383 | I_kwDODunzps7E-VBn | 7,732 | webdataset: key errors when `field_name` has upper case characters | {
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"g... | [] | open | false | null | [] | null | 2025-08-08T16:56:42 | 2025-08-08T16:56:42 | null | NONE | null | null | null | null | ### Describe the bug
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 characte... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7731 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7731/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7731/comments | https://api.github.com/repos/huggingface/datasets/issues/7731/events | https://github.com/huggingface/datasets/issues/7731 | 3,303,637,075 | I_kwDODunzps7E6YBT | 7,731 | Add the possibility of a backend for audio decoding | {
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] | open | false | null | [] | null | 2025-08-08T11:08:56 | 2025-08-08T11:08:56 | null | NONE | null | null | null | null | ### Feature request
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 dataset.... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7730 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7730/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7730/comments | https://api.github.com/repos/huggingface/datasets/issues/7730/events | https://github.com/huggingface/datasets/pull/7730 | 3,301,907,242 | PR_kwDODunzps6iqTZI | 7,730 | Grammar fix: correct "showed" to "shown" in fingerprint.py | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/... | This PR corrects a small grammatical issue in the outputs of fingerprint.py:
```diff
- "This warning is only showed once. Subsequent hashing failures won't be showed."
+ "This warning is only shown once. Subsequent hashing failures won't be shown."
```
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https://api.github.com/repos/huggingface/datasets/issues/7729 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7729/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7729/comments | https://api.github.com/repos/huggingface/datasets/issues/7729/events | https://github.com/huggingface/datasets/issues/7729 | 3,300,672,954 | I_kwDODunzps7EvEW6 | 7,729 | OSError: libcudart.so.11.0: cannot open shared object file: No such file or directory | {
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"... | [] | open | false | null | [] | null | 2025-08-07T14:07:23 | 2025-08-07T14:07:23 | null | NONE | null | null | null | null | > Hi is there any solution for that eror i try to install this one
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 | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7728 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7728/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7728/comments | https://api.github.com/repos/huggingface/datasets/issues/7728/events | https://github.com/huggingface/datasets/issues/7728 | 3,298,854,904 | I_kwDODunzps7EoIf4 | 7,728 | NonMatchingSplitsSizesError and ExpectedMoreSplitsError | {
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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.00000-of-... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7727 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7727/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7727/comments | https://api.github.com/repos/huggingface/datasets/issues/7727/events | https://github.com/huggingface/datasets/issues/7727 | 3,295,718,578 | I_kwDODunzps7EcKyy | 7,727 | config paths that start with ./ are not valid as hf:// accessed repos, but are valid when accessed locally | {
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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. `loa... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7726 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7726/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7726/comments | https://api.github.com/repos/huggingface/datasets/issues/7726/events | https://github.com/huggingface/datasets/pull/7726 | 3,293,789,832 | PR_kwDODunzps6iO_oF | 7,726 | fix(webdataset): don't .lower() field_name | {
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https://api.github.com/repos/huggingface/datasets/issues/7724 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7724/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7724/comments | https://api.github.com/repos/huggingface/datasets/issues/7724/events | https://github.com/huggingface/datasets/issues/7724 | 3,292,315,241 | I_kwDODunzps7EPL5p | 7,724 | Can not stepinto load_dataset.py? | {
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<!-- Failed to upload "截图 2025-08-05 17-25-18.png" --> | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7723 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7723/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7723/comments | https://api.github.com/repos/huggingface/datasets/issues/7723/events | https://github.com/huggingface/datasets/issues/7723 | 3,289,943,261 | I_kwDODunzps7EGIzd | 7,723 | Don't remove `trust_remote_code` arg!!! | {
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] | open | false | null | [] | null | 2025-08-04T15:42:07 | 2025-08-04T15:42:07 | null | NONE | null | null | null | null | ### Feature request
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 to Fals... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7722 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7722/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7722/comments | https://api.github.com/repos/huggingface/datasets/issues/7722/events | https://github.com/huggingface/datasets/issues/7722 | 3,289,741,064 | I_kwDODunzps7EFXcI | 7,722 | Out of memory even though using load_dataset(..., streaming=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", split="tra... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7721 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7721/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7721/comments | https://api.github.com/repos/huggingface/datasets/issues/7721/events | https://github.com/huggingface/datasets/issues/7721 | 3,289,426,104 | I_kwDODunzps7EEKi4 | 7,721 | Bad split error message when using percentages | {
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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 splits... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7720 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7720/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7720/comments | https://api.github.com/repos/huggingface/datasets/issues/7720/events | https://github.com/huggingface/datasets/issues/7720 | 3,287,150,513 | I_kwDODunzps7D7e-x | 7,720 | Datasets 4.0 map function causing column not found | {
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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"]["array"... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7719 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7719/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7719/comments | https://api.github.com/repos/huggingface/datasets/issues/7719/events | https://github.com/huggingface/datasets/issues/7719 | 3,285,928,491 | I_kwDODunzps7D20or | 7,719 | Specify dataset columns types in typehint | {
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] | open | false | null | [] | null | 2025-08-02T13:22:31 | 2025-08-02T13:22:31 | null | NONE | null | null | null | null | ### Feature request
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, but they... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7718 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7718/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7718/comments | https://api.github.com/repos/huggingface/datasets/issues/7718/events | https://github.com/huggingface/datasets/pull/7718 | 3,284,221,177 | PR_kwDODunzps6hvJ6R | 7,718 | add support for pyarrow string view in features | {
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https://api.github.com/repos/huggingface/datasets/issues/7717 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7717/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7717/comments | https://api.github.com/repos/huggingface/datasets/issues/7717/events | https://github.com/huggingface/datasets/issues/7717 | 3,282,855,127 | I_kwDODunzps7DrGTX | 7,717 | Cached dataset is not used when explicitly passing the cache_dir parameter | {
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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
from h... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7713 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7713/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7713/comments | https://api.github.com/repos/huggingface/datasets/issues/7713/events | https://github.com/huggingface/datasets/pull/7713 | 3,280,813,699 | PR_kwDODunzps6hjik2 | 7,713 | Update cli.mdx to refer to the new "hf" CLI | {
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https://api.github.com/repos/huggingface/datasets/issues/7712 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7712/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7712/comments | https://api.github.com/repos/huggingface/datasets/issues/7712/events | https://github.com/huggingface/datasets/pull/7712 | 3,280,706,762 | PR_kwDODunzps6hjLF5 | 7,712 | Retry intermediate commits too | {
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https://api.github.com/repos/huggingface/datasets/issues/7710 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7710/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7710/comments | https://api.github.com/repos/huggingface/datasets/issues/7710/events | https://github.com/huggingface/datasets/pull/7710 | 3,279,878,230 | PR_kwDODunzps6hgXxW | 7,710 | Concurrent IterableDataset push_to_hub | {
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https://api.github.com/repos/huggingface/datasets/issues/7709 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7709/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7709/comments | https://api.github.com/repos/huggingface/datasets/issues/7709/events | https://github.com/huggingface/datasets/issues/7709 | 3,276,677,990 | I_kwDODunzps7DTiNm | 7,709 | Release 4.0.0 breaks usage patterns of with_format | {
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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 in-memo... | {
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https://api.github.com/repos/huggingface/datasets/issues/7708 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7708/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7708/comments | https://api.github.com/repos/huggingface/datasets/issues/7708/events | https://github.com/huggingface/datasets/pull/7708 | 3,273,614,584 | PR_kwDODunzps6hLVip | 7,708 | Concurrent push_to_hub | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/... | Retry the step that (download + update + upload) the README.md using `create_commit(..., parent_commit=...)` if there was a commit in the meantime. This should enable concurrent `push_to_hub()` since it won't overwrite the README.md metadata anymore.
Note: we fixed an issue server side to make this work:
<details... | {
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https://api.github.com/repos/huggingface/datasets/issues/7707 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7707/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7707/comments | https://api.github.com/repos/huggingface/datasets/issues/7707/events | https://github.com/huggingface/datasets/issues/7707 | 3,271,867,998 | I_kwDODunzps7DBL5e | 7,707 | load_dataset() in 4.0.0 failed when decoding audio | {
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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/python3.1... | {
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https://api.github.com/repos/huggingface/datasets/issues/7706 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7706/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7706/comments | https://api.github.com/repos/huggingface/datasets/issues/7706/events | https://github.com/huggingface/datasets/pull/7706 | 3,271,129,240 | PR_kwDODunzps6hC5uD | 7,706 | Reimplemented partial split download support (revival of #6832) | {
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} | (revival of #6832)
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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https://api.github.com/repos/huggingface/datasets/issues/7705 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7705/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7705/comments | https://api.github.com/repos/huggingface/datasets/issues/7705/events | https://github.com/huggingface/datasets/issues/7705 | 3,269,070,499 | I_kwDODunzps7C2g6j | 7,705 | Can Not read installed dataset in dataset.load(.) | {
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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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https://api.github.com/repos/huggingface/datasets/issues/7704 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7704/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7704/comments | https://api.github.com/repos/huggingface/datasets/issues/7704/events | https://github.com/huggingface/datasets/pull/7704 | 3,265,730,177 | PR_kwDODunzps6gwtb8 | 7,704 | Fix map() example in datasets documentation: define tokenizer before use | {
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} | ## Problem
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 issue b... | {
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https://api.github.com/repos/huggingface/datasets/issues/7703 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7703/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7703/comments | https://api.github.com/repos/huggingface/datasets/issues/7703/events | https://github.com/huggingface/datasets/issues/7703 | 3,265,648,942 | I_kwDODunzps7Cpdku | 7,703 | [Docs] map() example uses undefined `tokenizer` — causes NameError | {
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... | [] | open | false | null | [] | null | 2025-07-26T13:35:11 | 2025-07-27T09:44:35 | null | NONE | null | null | null | null | ## Description
The current documentation example for `datasets.Dataset.map()` demonstrates batched processing but uses a `tokenizer` object without defining or importing it. This causes an error every time it's copied.
Here is the problematic line:
```python
# process a batch of examples
>>> ds = ds.map(lambda examp... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/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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"url": "https://api.github.com/repos/huggingface/datasets/pulls/... | 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/7701 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7701/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7701/comments | https://api.github.com/repos/huggingface/datasets/issues/7701/events | https://github.com/huggingface/datasets/pull/7701 | 3,265,236,296 | PR_kwDODunzps6gvJ83 | 7,701 | Update fsspec max version to current release 2025.7.0 | {
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"url": "https://api.github.com/repos/huggingface/datasets/pulls/... | Diffusers currently asks for a max fsspec version of `2025.3.0`. This change updates it to the current latest version. This change is mainly required to resolve conflicts with other packages in an environment. In my particular case, `aider-chat` which is a part of my environment installs `2025.5.1` which is incompatibl... | {
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https://api.github.com/repos/huggingface/datasets/issues/7700 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7700/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7700/comments | https://api.github.com/repos/huggingface/datasets/issues/7700/events | https://github.com/huggingface/datasets/issues/7700 | 3,263,922,255 | I_kwDODunzps7Ci4BP | 7,700 | [doc] map.num_proc needs clarification | {
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... | [] | open | false | null | [] | null | 2025-07-25T17:35:09 | 2025-07-25T17:39:36 | null | NONE | null | null | null | null | https://huggingface.co/docs/datasets/v4.0.0/en/package_reference/main_classes#datasets.Dataset.map.num_proc
```
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): The n... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7699 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7699/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7699/comments | https://api.github.com/repos/huggingface/datasets/issues/7699/events | https://github.com/huggingface/datasets/issues/7699 | 3,261,053,171 | I_kwDODunzps7CX7jz | 7,699 | Broken link in documentation for "Create a video dataset" | {
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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" /> | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7698 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7698/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7698/comments | https://api.github.com/repos/huggingface/datasets/issues/7698/events | https://github.com/huggingface/datasets/issues/7698 | 3,255,350,916 | I_kwDODunzps7CCLaE | 7,698 | NotImplementedError when using streaming=True in Google Colab environment | {
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"gists_... | [] | open | false | null | [] | null | 2025-07-23T08:04:53 | 2025-07-23T15:06:23 | null | NONE | null | null | null | null | ### Describe the bug
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 after... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7697 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7697/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7697/comments | https://api.github.com/repos/huggingface/datasets/issues/7697/events | https://github.com/huggingface/datasets/issues/7697 | 3,254,526,399 | I_kwDODunzps7B_CG_ | 7,697 | - | {
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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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... | [] | closed | false | null | [] | null | 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/7695 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7695/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7695/comments | https://api.github.com/repos/huggingface/datasets/issues/7695/events | https://github.com/huggingface/datasets/pull/7695 | 3,251,904,843 | PR_kwDODunzps6gB7jS | 7,695 | Support downloading specific splits in load_dataset | {
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} | This PR builds on #6832 by @mariosasko.
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. | {
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https://api.github.com/repos/huggingface/datasets/issues/7694 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7694/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7694/comments | https://api.github.com/repos/huggingface/datasets/issues/7694/events | https://github.com/huggingface/datasets/issues/7694 | 3,247,600,408 | I_kwDODunzps7BknMY | 7,694 | Dataset.to_json consumes excessive memory, appears to not be a streaming operation | {
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"gists_url": "https:... | [] | open | false | null | [] | null | 2025-07-21T07:51:25 | 2025-07-25T14:42:21 | null | NONE | null | null | null | null | ### Describe the bug
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 behavior ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7693 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7693/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7693/comments | https://api.github.com/repos/huggingface/datasets/issues/7693/events | https://github.com/huggingface/datasets/issues/7693 | 3,246,369,678 | I_kwDODunzps7Bf6uO | 7,693 | Dataset scripts are no longer supported, but found superb.py | {
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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 :
```
--------------------------------------------------------------------------
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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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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/7691 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7691/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7691/comments | https://api.github.com/repos/huggingface/datasets/issues/7691/events | https://github.com/huggingface/datasets/issues/7691 | 3,245,547,170 | I_kwDODunzps7Bcx6i | 7,691 | Large WebDataset: pyarrow.lib.ArrowCapacityError on load() even with streaming | {
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"gists_url": ... | [] | open | false | null | [] | null | 2025-07-19T18:40:27 | 2025-07-25T08:51:10 | null | NONE | null | null | null | null | ### Describe the bug
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 inclu... | null | {
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