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https://api.github.com/repos/huggingface/datasets/issues/7900 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7900/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7900/comments | https://api.github.com/repos/huggingface/datasets/issues/7900/events | https://github.com/huggingface/datasets/issues/7900 | 3,711,751,590 | I_kwDODunzps7dPNWm | 7,900 | `Permission denied` when sharing cache between users | {
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} | ### Describe the bug
We want to use `datasets` and `transformers` on a shared machine. Right now, each user has a separate HF_HOME in their home directory. To reduce duplicates of the datasets, we want to share that cache. While experimenting, we are running into `Permission denied` errors.
It looks like this was sup... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7899 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7899/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7899/comments | https://api.github.com/repos/huggingface/datasets/issues/7899/events | https://github.com/huggingface/datasets/pull/7899 | 3,707,063,236 | PR_kwDODunzps63t1LS | 7,899 | Add inspect_ai eval logs support | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7899). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Very cool! \r\n\r\nAny reason not to directly use inspect for loading/converting from t... | 2025-12-08T16:14:40 | 2025-12-09T14:45:15 | 2025-12-09T14:45:13 | MEMBER | null | null | null | null | Support for .eval log files from inspect_ai
They are actually ZIP files according to the source code at https://github.com/UKGovernmentBEIS/inspect_ai/blob/main/src/inspect_ai/log/_log.py
Unfortunately their format can't be converted to Parquet, so I had to JSON-encode all the nested values
```python
ds = loa... | {
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https://api.github.com/repos/huggingface/datasets/issues/7898 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7898/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7898/comments | https://api.github.com/repos/huggingface/datasets/issues/7898/events | https://github.com/huggingface/datasets/pull/7898 | 3,698,376,429 | PR_kwDODunzps63Q9BO | 7,898 | docs: making PyPi to PyPI ensuring no spelling errors | {
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https://api.github.com/repos/huggingface/datasets/issues/7897 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7897/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7897/comments | https://api.github.com/repos/huggingface/datasets/issues/7897/events | https://github.com/huggingface/datasets/pull/7897 | 3,691,300,022 | PR_kwDODunzps624-k2 | 7,897 | Save input shard lengths | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7897). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-12-03T17:56:55 | 2025-12-05T16:21:06 | 2025-12-05T16:21:03 | MEMBER | null | null | null | null | will be useful for the Viewer, to know what (original) shard each row belongs to
cc @cfahlgren1
next step is use it in Dataset Viewer and expose an API that returns the file containing the row at rowId
(took the opportunity to remove unusued code) | {
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https://api.github.com/repos/huggingface/datasets/issues/7896 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7896/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7896/comments | https://api.github.com/repos/huggingface/datasets/issues/7896/events | https://github.com/huggingface/datasets/pull/7896 | 3,688,480,675 | PR_kwDODunzps62vZtn | 7,896 | fix: force contiguous copy for sliced list arrays in embed_array_storage | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7896). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-12-03T04:34:26 | 2025-12-09T15:37:49 | null | NONE | null | null | null | null | ## Summary
Fixes SIGKILL crash in `embed_array_storage` when processing sliced/sharded datasets with nested types like `Sequence(Nifti())` or `Sequence(Image())`.
**Root cause**: When `ds.shard()` or `ds.select()` creates a sliced view, `array.values` on a sliced `ListArray` returns values with internal offset refere... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7895 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7895/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7895/comments | https://api.github.com/repos/huggingface/datasets/issues/7895/events | https://github.com/huggingface/datasets/pull/7895 | 3,688,479,825 | PR_kwDODunzps62vZik | 7,895 | fix: use temp files in push_to_hub to prevent OOM on large datasets | {
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"Closing this PR.\n\nAfter further investigation (prompted by @lhoestq's feedback on #7893), I discovered that `free_memory=True` does work correctly - memory doesn't actually accumulate in the `additions` list as I originally thought.\n\nI tested standard `push_to_hub()` with 902 shards and it processed 625 shards... | 2025-12-03T04:33:55 | 2025-12-06T13:58:44 | 2025-12-05T22:47:50 | NONE | null | null | null | null | ## Summary
Fixes memory accumulation in `_push_parquet_shards_to_hub_single` that causes OOM when uploading large datasets with many shards.
**Root cause**: The current implementation stores ALL parquet shard bytes in memory via `BytesIO`, accumulating in the `additions` list. For N shards of ~300MB each, this requir... | {
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https://api.github.com/repos/huggingface/datasets/issues/7894 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7894/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7894/comments | https://api.github.com/repos/huggingface/datasets/issues/7894/events | https://github.com/huggingface/datasets/issues/7894 | 3,688,455,006 | I_kwDODunzps7b2Vte | 7,894 | embed_table_storage crashes (SIGKILL) on sharded datasets with Sequence() nested types | {
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"I wasn't able to reproduce the crash on my side (macos arm 54, pyarrow 22 and a nifti file I found [online](https://s3.amazonaws.com/openneuro.org/ds004884/sub-M2001/ses-1076/anat/sub-M2001_ses-1076_acq-tfl3_run-4_T1w.nii.gz?versionId=9aVGb3C.VcoBgxrhNzFnL6O0MvxQsXX7&AWSAccessKeyId=AKIARTA7OOV5WQ3DGSOB&Signature=L... | 2025-12-03T04:20:06 | 2025-12-06T13:10:34 | null | NONE | null | null | {
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} | ## Summary
`embed_table_storage` crashes with SIGKILL (exit code 137) when processing sharded datasets containing `Sequence()` nested types like `Sequence(Nifti())`. Likely affects `Sequence(Image())` and `Sequence(Audio())` as well.
The crash occurs at the C++ level with no Python traceback.
### Related Issues
- #... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7893 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7893/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7893/comments | https://api.github.com/repos/huggingface/datasets/issues/7893/events | https://github.com/huggingface/datasets/issues/7893 | 3,688,454,085 | I_kwDODunzps7b2VfF | 7,893 | push_to_hub OOM: _push_parquet_shards_to_hub accumulates all shard bytes in memory | {
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"`preupload_lfs_files` removes the parquet bytes in `shard_addition` since the default is `free_memory=True`: it doesn't accumulate in memory. Can you check this is indeed the case, i.e. that `shard_addition.path_or_fileobj` is indeed empty ?",
"@lhoestq Thank you for pushing back on this and helping me understan... | 2025-12-03T04:19:34 | 2025-12-05T22:45:59 | 2025-12-05T22:44:16 | NONE | null | null | {
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Large dataset uploads crash or hang due to memory exhaustion. This appears to be the root cause of several long-standing issues.
### Related Issues
This is the root cause of:
- #5990 - Pushing a large dataset on the hub consistently hangs (46 comments, open since 2023)
- #7400 - 504 Gateway Timeout when u... | {
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```python
from pathlib import Path
from datasets import load_dataset
nifti_dir = Path("<local_path>")
dataset = load_dataset(
"niftifolder",
data_dir=str(nifti_dir.absolute()),
streaming=True,
)
dataset.push_to_hub(repo... | null | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7891). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-12-01T15:37:57 | 2025-12-08T12:14:12 | null | NONE | null | null | null | null | Fixes #7877 and follows up on feedback from [`#7890`](https://github.com/huggingface/datasets/pull/7890).
## Context
In [`#7890`](https://github.com/huggingface/datasets/pull/7890) it was introduced an automatic creation of the `TMPDIR` directory in `_TempCacheDir` so that `datasets` does not silently fall back to `/... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7890 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7890/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7890/comments | https://api.github.com/repos/huggingface/datasets/issues/7890/events | https://github.com/huggingface/datasets/pull/7890 | 3,677,077,051 | PR_kwDODunzps62JMyH | 7,890 | Fix: Auto-create TMPDIR directory when it doesn't exist (Issue #7877) | {
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"> Thank you for implementing this, @ada-ggf25\r\n> \r\n> I see there are a few more uses of `tempfile` in `datasets` besides the one treated here - should they be treated in the same way as well?\r\n\r\nI had a look through the other tempfile call sites:\r\n- In `arrow_dataset.py` the code always pass an explicit ... | 2025-11-29T20:35:24 | 2025-12-02T12:24:17 | 2025-12-02T12:24:17 | NONE | null | null | null | null | # Fix: Auto-create TMPDIR directory when it doesn't exist
Fixes #7877
## Description
This PR fixes issue #7877 by implementing automatic creation of the `TMPDIR` directory when it is set but doesn't exist. Previously, `tempfile.mkdtemp()` would silently ignore `TMPDIR` and fall back to `/tmp` if the specified direct... | {
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https://api.github.com/repos/huggingface/datasets/issues/7889 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7889/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7889/comments | https://api.github.com/repos/huggingface/datasets/issues/7889/events | https://github.com/huggingface/datasets/pull/7889 | 3,676,933,025 | PR_kwDODunzps62Iykj | 7,889 | fix(tests): stabilize flaky Hub LFS integration test | {
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`test_push_dataset_dict_to_hub_overwrite_files` intermittently fails with:
```
BadRequestError: LFS pointer pointed to a file that does not exist
```
This has been causing the `deps-latest` integration tests to fail on main (visible in recent CI runs). I ran into this while working on the BIDS loader PR an... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7888 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7888/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7888/comments | https://api.github.com/repos/huggingface/datasets/issues/7888/events | https://github.com/huggingface/datasets/pull/7888 | 3,676,407,260 | PR_kwDODunzps62HOM4 | 7,888 | Add type overloads to load_dataset for better static type inference | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7888). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-11-29T06:19:30 | 2025-12-08T12:06:57 | 2025-12-08T12:06:57 | CONTRIBUTOR | null | null | null | null | Fixes #7883
This PR adds @overload decorators to load_dataset() to help type checkers like Pylance and mypy correctly infer the return type based on the split and streaming parameters.
Changes:
- Added typing imports (Literal, overload) to load.py
- Added 4 @overload signatures that map argument combinations to... | {
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https://api.github.com/repos/huggingface/datasets/issues/7887 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7887/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7887/comments | https://api.github.com/repos/huggingface/datasets/issues/7887/events | https://github.com/huggingface/datasets/pull/7887 | 3,676,203,387 | PR_kwDODunzps62GltX | 7,887 | fix(nifti): enable lazy loading for Nifti1ImageWrapper | {
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- **Single-line fix**: Change `dataobj=nifti_image.get_fdata()` → `dataobj=nifti_image.dataobj`
- Preserves nibabel's `ArrayProxy` for true lazy loading instead of eagerly loading entire NIfTI files into memory
- Improves error handling: corrupted files now fail at access time with clear context instead of s... | {
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https://api.github.com/repos/huggingface/datasets/issues/7886 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7886/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7886/comments | https://api.github.com/repos/huggingface/datasets/issues/7886/events | https://github.com/huggingface/datasets/pull/7886 | 3,676,185,151 | PR_kwDODunzps62Gh1c | 7,886 | feat(bids): Add BIDS dataset loader for neuroimaging data | {
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Adds native BIDS (Brain Imaging Data Structure) dataset loading support using PyBIDS, enabling `load_dataset('bids', data_dir='/path/to/bids')` workflow for neuroimaging researchers.
**Contributes to #7804** (Support scientific data formats) - BIDS is a widely-used standard for organizing neuroimaging data... | {
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"@lhoestq can you help review this pull request?",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7884). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2025-11-27T19:32:10 | 2025-12-04T16:09:51 | 2025-12-04T16:09:51 | CONTRIBUTOR | null | null | null | null | Summary of the change:
Made new_fingerprint optional (Optional[str] = None) in Dataset.add_column and Dataset.add_item
Added a simple test to verify both methods work without providing a fingerprint
Why this change is safe:
The Dataset constructor already handles fingerprint=None by generating a new fingerpri... | {
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} | ### Describe the bug
Hi, everyone ! I am a beginner with datasets.
I am testing reading multiple CSV files from a zip archive. The result of reading the dataset shows success, and it can ultimately be correctly saved to CSV.
Intermediate results:
```
Generating train split: 62973 examples [00:00, 175939.01 examples/... | {
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https://api.github.com/repos/huggingface/datasets/issues/7882 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7882/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7882/comments | https://api.github.com/repos/huggingface/datasets/issues/7882/events | https://github.com/huggingface/datasets/issues/7882 | 3,667,664,527 | I_kwDODunzps7anB6P | 7,882 | Inconsistent loading of LFS-hosted files in epfml/FineWeb-HQ dataset | {
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} | ### Describe the bug
Some files in the `epfml/FineWeb-HQ` dataset fail to load via the Hugging Face `datasets` library.
- xet-hosted files load fine
- LFS-hosted files sometimes fail
Example:
- Fails: https://huggingface.co/datasets/epfml/FineWeb-HQ/blob/main/data/CC-MAIN-2024-26/000_00003.parquet
- Works: ht... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7880 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7880/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7880/comments | https://api.github.com/repos/huggingface/datasets/issues/7880/events | https://github.com/huggingface/datasets/issues/7880 | 3,667,561,864 | I_kwDODunzps7amo2I | 7,880 | Spurious label column created when audiofolder/imagefolder directories match split names | {
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} | ## Describe the bug
When using `audiofolder` or `imagefolder` with directories for **splits** (train/test) rather than class labels, a spurious `label` column is incorrectly created.
**Example:** https://huggingface.co/datasets/datasets-examples/doc-audio-4
```
from datasets import load_dataset
ds = load_dataset("dat... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7879 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7879/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7879/comments | https://api.github.com/repos/huggingface/datasets/issues/7879/events | https://github.com/huggingface/datasets/issues/7879 | 3,657,249,446 | I_kwDODunzps7Z_TKm | 7,879 | python core dump when downloading dataset | {
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"Hi @hansewetz I'm curious, for me it works just fine. Are you still observing the issue?",
"Yup ... still the same issue.\nHowever, after adding a ```sleep(1)``` call after the ``` for``` loop by accident during debugging, the program terminates properly (not a good solution though ... :-) ).\nAre there some thr... | 2025-11-24T06:22:53 | 2025-11-25T20:45:55 | null | NONE | null | null | {
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} | ### Describe the bug
When downloading a dataset in streamed mode and exiting the program before the download completes, the python program core dumps when exiting:
```
terminate called without an active exception
Aborted (core dumped)
```
Tested with python 3.12.3, python 3.9.21
### Steps to reproduce the bug
Cr... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7878 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7878/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7878/comments | https://api.github.com/repos/huggingface/datasets/issues/7878/events | https://github.com/huggingface/datasets/pull/7878 | 3,653,262,027 | PR_kwDODunzps606R81 | 7,878 | Replace papaya with niivue | {
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"@CloseChoice thanks for your work on this. As you mentioned, the prime developers for Papaya have moved on, so it is in maintenance mode, albeit it is mature and may fill all your requirements. \r\n\r\nPapaya does reflect the era of its creation, so it uses WebGL1 (which only supports 2D textures) for display and ... | 2025-11-21T22:19:56 | 2025-11-27T20:37:04 | 2025-11-27T18:00:19 | CONTRIBUTOR | null | null | null | null | I was contacted by Chris Rorden whose group is developing NiiVue (see https://github.com/niivue/niivue), which leverages WebGL2 (in contrast to Papaya which is WebGL1 based). He also offered support in the implementation, which might come in handy in case of any questions later on (see DICOM implemenation). I completel... | {
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"Hi! Just created a Pull Request (#7890) to try to fix this using your suggestions. I hope it helps!"
] | 2025-11-21T19:51:48 | 2025-11-29T20:37:42 | null | CONTRIBUTOR | null | null | {
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However, the `tempfile` facility that `datasets` and `pyarrow` use ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7876 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7876/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7876/comments | https://api.github.com/repos/huggingface/datasets/issues/7876/events | https://github.com/huggingface/datasets/pull/7876 | 3,652,170,832 | PR_kwDODunzps602lac | 7,876 | test: add verification for HuggingFaceM4/InterleavedWebDocuments | {
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"... | [] | open | false | null | [] | null | [] | 2025-11-21T15:42:09 | 2025-11-21T15:42:09 | null | NONE | null | null | null | null | Adds an integration test for the `HuggingFaceM4/InterleavedWebDocuments` dataset.
- Gracefully skips if the dataset is not yet available on the Hub
- Checks basic loading and structure once it becomes available
Closes #7394
First-time contributor to `datasets` — really excited about this! Happy to make any ad... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7875 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7875/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7875/comments | https://api.github.com/repos/huggingface/datasets/issues/7875/events | https://github.com/huggingface/datasets/pull/7875 | 3,649,326,175 | PR_kwDODunzps60s9my | 7,875 | Add quickstart example to datasets README | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_7874). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"I tested in Colab and it works perfectly :) now I want to add `_repr_html_` everywhere ... | 2025-11-19T21:56:56 | 2025-11-21T12:41:43 | 2025-11-21T12:31:18 | CONTRIBUTOR | null | null | null | null | closes #7870
leverage Papaya to visualize nifti images. For this I created a Wrapper class for `nibabel.nifti1.Nifti1Image` that provides the same interface but exposes an additional `_repr_html_` method, which is needed to visualize the image in jupyter (didn't test in colab, but that should work equivalently).
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"\r\n@lhoestq would like to hear from you!\r\n"
] | 2025-11-19T18:43:47 | 2025-11-22T19:51:30 | null | CONTRIBUTOR | null | null | null | null | Updated chunk handling to cast to expected schema when features are provided or to unify schemas when not. This ensures proper schema alignment for the yielded batches.
fixes #7872
This PR fixes a bug where `IterableDataset` created from a generator with explicit `features` parameter would fail during arrow oper... | null | {
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"Created A PR!",
"Another test script that can be used to test the behavior - \n\n```\nimport datasets\nfrom datasets import features\n\ndef test_crash():\n common_features = features.Features({\n \"a\": features.Value(\"int64\"),\n \"b\": features.List({\"c\": features.Value(\"int64\")}),\n }... | 2025-11-19T17:12:59 | 2025-11-19T18:52:14 | null | NONE | null | null | {
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} | ### Describe the bug
`IterableDataset` created from generator with explicit `features=` parameter seems to ignore provided features description for certain operations, e.g. `.to_pandas(...)` when data coming from the generator has missing values.
### Steps to reproduce the bug
```python
import datasets
from datasets... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7871 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7871/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7871/comments | https://api.github.com/repos/huggingface/datasets/issues/7871/events | https://github.com/huggingface/datasets/issues/7871 | 3,643,607,371 | I_kwDODunzps7ZLQlL | 7,871 | Reqwest Error: HTTP status client error (429 Too Many Requests) | {
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"the dataset repo: `https://huggingface.co/datasets/nvidia/PhysicalAI-Robotics-GR00T-X-Embodiment-Sim`",
"Hi @yanan1116,\n\nThanks for the detailed report! However, this issue was filed in the wrong repository. This is a `huggingface_hub` issue, not a `datasets` issue.\n\nLooking at your traceback, you're using t... | 2025-11-19T16:52:24 | 2025-11-30T13:38:32 | 2025-11-30T13:38:32 | NONE | null | null | {
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} | ### Describe the bug
full error message:
```
Traceback (most recent call last):
File "/home/yanan/miniconda3/bin/hf", line 7, in <module>
sys.exit(main())
~~~~^^
File "/home/yanan/miniconda3/lib/python3.13/site-packages/huggingface_hub/cli/hf.py", line 56, in main
app()
~~~^^
File "/ho... | {
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https://api.github.com/repos/huggingface/datasets/issues/7870 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7870/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7870/comments | https://api.github.com/repos/huggingface/datasets/issues/7870/events | https://github.com/huggingface/datasets/issues/7870 | 3,642,209,953 | I_kwDODunzps7ZF7ah | 7,870 | Visualization for Medical Imaging Datasets | {
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"It would be amazing to be able to show the Papaya UI in google colab / jupyter notebook. IIRC both allow serving javascript via nbextensions that we can surely use in HTML() objects.\n\nAlternatively we could also start with a simple approach and dump the medical image data as a video file that goes through the sl... | 2025-11-19T11:05:39 | 2025-11-21T12:31:19 | 2025-11-21T12:31:19 | CONTRIBUTOR | null | null | {
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} | This is a followup to: https://github.com/huggingface/datasets/pull/7815.
I checked the possibilities to visualize the nifti (and potentially dicom), and here's what I found:
- https://github.com/aces/brainbrowser, AGPL3 license, last commit 3 months ago, latest (github) release from 2017. It's available on jsdelivr... | {
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https://api.github.com/repos/huggingface/datasets/issues/7869 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7869/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7869/comments | https://api.github.com/repos/huggingface/datasets/issues/7869/events | https://github.com/huggingface/datasets/issues/7869 | 3,636,808,734 | I_kwDODunzps7YxUwe | 7,869 | Why does dataset merge fail when tools have different parameters? | {
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"Hi @hitszxs,\n This is indeed by design,\n\nThe `datasets` library is built on top of [Apache Arrow](https://arrow.apache.org/), which uses a **columnar storage format** with strict schema requirements. When you try to concatenate/merge datasets, the library checks if features can be aligned using the [`_check_if_... | 2025-11-18T08:33:04 | 2025-11-30T03:52:07 | null | NONE | null | null | {
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} | Hi, I have a question about SFT (Supervised Fine-tuning) for an agent model.
Suppose I want to fine-tune an agent model that may receive two different tools: tool1 and tool2. These tools have different parameters and types in their schema definitions.
When I try to merge datasets containing different tool definitions... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7868 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7868/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7868/comments | https://api.github.com/repos/huggingface/datasets/issues/7868/events | https://github.com/huggingface/datasets/issues/7868 | 3,632,429,308 | I_kwDODunzps7Ygnj8 | 7,868 | Data duplication with `split_dataset_by_node` and `interleaved_dataset` | {
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"Hi @ValMystletainn ,\nCan I be assigned this issue?",
"> split_dataset_by_node\n\nHello, I have some questions about your intended use: (1) It seems unnecessary to use interleaving for a single dataset. (2) For multiple datasets, it seems possible to interleave first and then split by node?"
] | 2025-11-17T09:15:24 | 2025-11-29T03:21:34 | null | NONE | null | null | {
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} | ### Describe the bug
Data duplication in different rank, when process a iterabledataset with first `split_dataset_by_node` and then `interleaved_dataset`
### Steps to reproduce the bug
I have provide a minimum scripts
```python
import os
from datasets import interleave_datasets, load_dataset
from datasets.distribu... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7867 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7867/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7867/comments | https://api.github.com/repos/huggingface/datasets/issues/7867/events | https://github.com/huggingface/datasets/issues/7867 | 3,620,931,722 | I_kwDODunzps7X0wiK | 7,867 | NonMatchingSplitsSizesError when loading partial dataset files | {
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"While using verification_mode='no_checks' parameter in load_dataset() can bypass this validation, this solution is not intuitive or convenient for most users, especially those who are not familiar with all the parameters of the load_dataset() function.\n\n```python\nbook_corpus_ds = load_dataset(\n \"SaylorTwif... | 2025-11-13T12:03:23 | 2025-11-16T15:39:23 | null | NONE | null | null | {
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} | ### Describe the bug
When loading only a subset of dataset files while the dataset's README.md contains split metadata, the system throws a NonMatchingSplitsSizesError . This prevents users from loading partial datasets for quick validation in cases of poor network conditions or very large datasets.
### Steps to repr... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/7866 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/7866/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/7866/comments | https://api.github.com/repos/huggingface/datasets/issues/7866/events | https://github.com/huggingface/datasets/pull/7866 | 3,620,436,248 | PR_kwDODunzps6zL7Sz | 7,866 | docs: add Python version requirement note to installation section | {
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