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When `num_physical_files < world_size`, or when shards divide evenly but are too few or too imbalanced for shard-level sharding, applying sample-level... | value:https://api.github.com/repos/huggingface/datasets/issues/8268/comments | value:PR_kwDODunzps7mFhu6 | value:open | value:9 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8268", "html_url": "https://github.com/huggingface/datasets/pull/8268", "diff_url": "https://github.com/huggingface/datasets/pull/8268.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8268.patch", "merged_at": null} | value:2026-09-11T09:32:01Z | value:https://api.github.com/repos/huggingface/datasets/issues/8268/labels{/name} | value:8268 | json:{"login": "muyihao", "id": 37872457, "node_id": "MDQ6VXNlcjM3ODcyNDU3", "avatar_url": "https://avatars.githubusercontent.com/u/37872457?v=4", "gravatar_id": "", "url": "https://api.github.com/users/muyihao", "html_url": "https://github.com/muyihao", "followers_url": "https://api.github.com/users/muyihao/followers"... | value:False | true | |||||||||||
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The webdataset builder types any JSON field that is null (or an empty list) in all of the first `NUM_EXAMPLES_FOR_FEATURES_INFERENCE = 5` examples as arrow `null`, and the first later batch with a real value then fails the strict cast in `cast_array_to_feature`. Promoting the schema mid-write isn't ... | value:https://api.github.com/repos/huggingface/datasets/issues/8267/comments | value:PR_kwDODunzps7mFBCj | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8267", "html_url": "https://github.com/huggingface/datasets/pull/8267", "diff_url": "https://github.com/huggingface/datasets/pull/8267.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8267.patch", "merged_at": null} | value:2026-06-13T13:52:58Z | value:https://api.github.com/repos/huggingface/datasets/issues/8267/labels{/name} | value:8267 | json:{"login": "discobot", "id": 147123, "node_id": "MDQ6VXNlcjE0NzEyMw==", "avatar_url": "https://avatars.githubusercontent.com/u/147123?v=4", "gravatar_id": "", "url": "https://api.github.com/users/discobot", "html_url": "https://github.com/discobot", "followers_url": "https://api.github.com/users/discobot/followers"... | value:False | true | |||||||||||
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`cached_path` requested the Hub on every call for files that usually don't exist in dataset repos (`.huggingface.yaml`, `dataset_infos.json`) because its `hf://` branch goes straight to `HfApi.hf_hub_download`. It now consults `huggingface_hub.try_to_load_from_cache` first and raises `FileNotFoundEr... | value:https://api.github.com/repos/huggingface/datasets/issues/8266/comments | value:PR_kwDODunzps7mEum8 | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8266", "html_url": "https://github.com/huggingface/datasets/pull/8266", "diff_url": "https://github.com/huggingface/datasets/pull/8266.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8266.patch", "merged_at": null} | value:2026-06-13T13:18:12Z | value:https://api.github.com/repos/huggingface/datasets/issues/8266/labels{/name} | value:8266 | json:{"login": "discobot", "id": 147123, "node_id": "MDQ6VXNlcjE0NzEyMw==", "avatar_url": "https://avatars.githubusercontent.com/u/147123?v=4", "gravatar_id": "", "url": "https://api.github.com/users/discobot", "html_url": "https://github.com/discobot", "followers_url": "https://api.github.com/users/discobot/followers"... | value:False | true | |||||||||||
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Example:
```python
from datasets import load_dataset
test_ds = load_dataset("Samoed/testds")
test_ds["train"][0]["video"].audio
# <datasets.features._torchcodec.AudioDecoder object at 0x34422fb60>
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Audits docstring Args sections against actual signatures and fixes three drifts:
### `Dataset.train_test_split`
The Args section documents `train_cache_file_name` / `test_cache_file_name` — **neither is a parameter**; the real names are `train_indices_cache_file_name` / `test_indices_c... | value:https://api.github.com/repos/huggingface/datasets/issues/8264/comments | value:PR_kwDODunzps7l3-7K | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8264", "html_url": "https://github.com/huggingface/datasets/pull/8264", "diff_url": "https://github.com/huggingface/datasets/pull/8264.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8264.patch", "merged_at": null} | value:2026-11-04T06:21:39Z | value:https://api.github.com/repos/huggingface/datasets/issues/8264/labels{/name} | value:8264 | json:{"login": "DaoyuanLi2816", "id": 94409450, "node_id": "U_kgDOBaCS6g", "avatar_url": "https://avatars.githubusercontent.com/u/94409450?v=4", "gravatar_id": "", "url": "https://api.github.com/users/DaoyuanLi2816", "html_url": "https://github.com/DaoyuanLi2816", "followers_url": "https://api.github.com/users/DaoyuanL... | value:False | true | |||||||||
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> [!NOTE]
> **License and capability clarification (2026-07-14):** FunASR is a toolkit, not a single checkpoint. The [FunASR](https://github.com/modelscope/FunASR#license) and [SenseVoice](https://github.com/FunAudioLLM/SenseVoice#license) repository source code is MIT; ... | value:https://api.github.com/repos/huggingface/datasets/issues/8261/comments | value:I_kwDODunzps8AAAABFREIKQ | value:open | value:0 | value:2026-07-14T05:32:24Z | value:https://api.github.com/repos/huggingface/datasets/issues/8261/labels{/name} | value:8261 | json:{"login": "LauraGPT", "id": 18321252, "node_id": "MDQ6VXNlcjE4MzIxMjUy", "avatar_url": "https://avatars.githubusercontent.com/u/18321252?v=4", "gravatar_id": "", "url": "https://api.github.com/users/LauraGPT", "html_url": "https://github.com/LauraGPT", "followers_url": "https://api.github.com/users/LauraGPT/follow... | true | |||||||||||
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`data_files` patterns starting with `./` raise `FileNotFoundError` when the dataset is loaded from the Hub, even though the same patterns work locally.
The asymmetry comes from `resolve_pattern()`: it joins relative patterns onto the base path with `xjoin` (a plain `posixpath.join`), which keeps th... | value:https://api.github.com/repos/huggingface/datasets/issues/8260/comments | value:PR_kwDODunzps7lgzRi | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8260", "html_url": "https://github.com/huggingface/datasets/pull/8260", "diff_url": "https://github.com/huggingface/datasets/pull/8260.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8260.patch", "merged_at": null} | value:2026-06-11T21:42:10Z | value:https://api.github.com/repos/huggingface/datasets/issues/8260/labels{/name} | value:8260 | json:{"login": "discobot", "id": 147123, "node_id": "MDQ6VXNlcjE0NzEyMw==", "avatar_url": "https://avatars.githubusercontent.com/u/147123?v=4", "gravatar_id": "", "url": "https://api.github.com/users/discobot", "html_url": "https://github.com/discobot", "followers_url": "https://api.github.com/users/discobot/followers"... | value:False | true | |||||||||||
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`batch(by_column=...)` (#8172) works when you iterate the dataset directly, but crashes as soon as the dataset gets copied into a new shape — which happens in very common situations: calling `.shard()` or `.shuffle()`, using `split_dataset_by_node`, or just using a torch `DataLoader` with `num_workers >... | value:https://api.github.com/repos/huggingface/datasets/issues/8259/comments | value:PR_kwDODunzps7lXAY_ | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8259", "html_url": "https://github.com/huggingface/datasets/pull/8259", "diff_url": "https://github.com/huggingface/datasets/pull/8259.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8259.patch", "merged_at": "2026-06-11T15:57:16Z"} | value:2026-06-11T15:57:17Z | value:https://api.github.com/repos/huggingface/datasets/issues/8259/labels{/name} | value:8259 | json:{"login": "pkooij", "id": 138571049, "node_id": "U_kgDOCEJtKQ", "avatar_url": "https://avatars.githubusercontent.com/u/138571049?v=4", "gravatar_id": "", "url": "https://api.github.com/users/pkooij", "html_url": "https://github.com/pkooij", "followers_url": "https://api.github.com/users/pkooij/followers", "followi... | value:False | true | |||||||||
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```
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/... | value:https://api.github.com/repos/huggingface/datasets/issues/8258/comments | value:PR_kwDODunzps7lMoUG | value:open | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8258", "html_url": "https://github.com/huggingface/datasets/pull/8258", "diff_url": "https://github.com/huggingface/datasets/pull/8258.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8258.patch", "merged_at": null} | value:2026-06-19T14:14:38Z | value:https://api.github.com/repos/huggingface/datasets/issues/8258/labels{/name} | value:8258 | json:{"login": "Alex-PLACET", "id": 2400067, "node_id": "MDQ6VXNlcjI0MDAwNjc=", "avatar_url": "https://avatars.githubusercontent.com/u/2400067?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Alex-PLACET", "html_url": "https://github.com/Alex-PLACET", "followers_url": "https://api.github.com/users/Alex-PLA... | value:False | true | |||||||||||
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## Problem
When a user has an image file named `train.png` in a flat folder,
the library mistakenly treats it as a split name instead of an image,
resulting in only that one file being loaded.
## Fix
Modified `_get_data_files_patterns` in `data_files.py` to skip
filename-based split detec... | value:https://api.github.com/repos/huggingface/datasets/issues/8257/comments | value:PR_kwDODunzps7lJwOT | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8257", "html_url": "https://github.com/huggingface/datasets/pull/8257", "diff_url": "https://github.com/huggingface/datasets/pull/8257.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8257.patch", "merged_at": null} | value:2026-08-05T15:46:35Z | value:https://api.github.com/repos/huggingface/datasets/issues/8257/labels{/name} | value:8257 | json:{"login": "Work4itnow", "id": 288100881, "node_id": "U_kgDOESwSEQ", "avatar_url": "https://avatars.githubusercontent.com/u/288100881?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Work4itnow", "html_url": "https://github.com/Work4itnow", "followers_url": "https://api.github.com/users/Work4itnow/foll... | value:False | true | |||||||||||
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## Description
The Dataset Viewer fails when trying to display a dataset stored in TSFile format.
The error shown by the viewer is:
```python
ModuleNotFoundError: No module named 'tsfile'
### Steps to reproduce the bug
# Dataset Viewer fails to load TSFile dataset due to missing `tsfile... | value:https://api.github.com/repos/huggingface/datasets/issues/8256/comments | value:I_kwDODunzps8AAAABE9PTZA | value:open | value:2 | value:2026-07-06T01:52:51Z | value:https://api.github.com/repos/huggingface/datasets/issues/8256/labels{/name} | value:8256 | json:{"login": "gengziyand", "id": 202758360, "node_id": "U_kgDODBXY2A", "avatar_url": "https://avatars.githubusercontent.com/u/202758360?v=4", "gravatar_id": "", "url": "https://api.github.com/users/gengziyand", "html_url": "https://github.com/gengziyand", "followers_url": "https://api.github.com/users/gengziyand/foll... | true | |||||||||||
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supports both single session export and multi-sessions export
```bash
# single session
>>> hermes sessions export session.jsonl --session-id 20250305_091523_a1b2c3d4
# multi-sessions
>>> hermes sessions export sessions.jsonl
```
+ bump teich to 0.1.2
b... | value:https://api.github.com/repos/huggingface/datasets/issues/8255/comments | value:PR_kwDODunzps7kabPI | value:closed | value:5 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8255", "html_url": "https://github.com/huggingface/datasets/pull/8255", "diff_url": "https://github.com/huggingface/datasets/pull/8255.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8255.patch", "merged_at": "2026-06-10T13:22:25Z"} | value:2026-06-10T13:22:27Z | value:https://api.github.com/repos/huggingface/datasets/issues/8255/labels{/name} | value:8255 | 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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TorchVision is typically faster than PIL to decode images, and this also saves the `pil_to_tensor` conversion. See https://github.com/huggingface/transformers/pull/45195 for benchmarks on `tr... | value:https://api.github.com/repos/huggingface/datasets/issues/8254/comments | value:PR_kwDODunzps7kVBP4 | value:open | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8254", "html_url": "https://github.com/huggingface/datasets/pull/8254", "diff_url": "https://github.com/huggingface/datasets/pull/8254.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8254.patch", "merged_at": null} | value:2026-06-23T07:48:37Z | value:https://api.github.com/repos/huggingface/datasets/issues/8254/labels{/name} | value:8254 | json:{"login": "NicolasHug", "id": 1190450, "node_id": "MDQ6VXNlcjExOTA0NTA=", "avatar_url": "https://avatars.githubusercontent.com/u/1190450?v=4", "gravatar_id": "", "url": "https://api.github.com/users/NicolasHug", "html_url": "https://github.com/NicolasHug", "followers_url": "https://api.github.com/users/NicolasHug/... | value:False | true | |||||||||||
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### Proposed API
It would be useful to provide a first-class streaming sharding operator in `datasets`, for example:
```python
dataset = datasets.load_dataset(..., streaming=True, split="... | value:https://api.github.com/repos/huggingface/datasets/issues/8253/comments | value:I_kwDODunzps8AAAABE0gLAw | value:closed | value:7 | value:2026-09-09T13:54:29Z | value:https://api.github.com/repos/huggingface/datasets/issues/8253/labels{/name} | value:8253 | json:{"login": "muyihao", "id": 37872457, "node_id": "MDQ6VXNlcjM3ODcyNDU3", "avatar_url": "https://avatars.githubusercontent.com/u/37872457?v=4", "gravatar_id": "", "url": "https://api.github.com/users/muyihao", "html_url": "https://github.com/muyihao", "followers_url": "https://api.github.com/users/muyihao/followers"... | true | ||||||||
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The save-to-hub paragraph in `docs/source/stream.mdx` (line 584) currently reads:
> "you wish to save it **to to** [`~Dataset.push_to_hub`]"
The first `to` closes the relative clause ("the repo you wish to save it to"), and the second `to` introduces the function argument. The collisio... | value:https://api.github.com/repos/huggingface/datasets/issues/8252/comments | value:PR_kwDODunzps7kJsgc | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8252", "html_url": "https://github.com/huggingface/datasets/pull/8252", "diff_url": "https://github.com/huggingface/datasets/pull/8252.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8252.patch", "merged_at": "2026-06-09T15:20:35Z"} | value:2026-06-09T15:20:36Z | value:https://api.github.com/repos/huggingface/datasets/issues/8252/labels{/name} | value:8252 | json:{"login": "DaoyuanLi2816", "id": 94409450, "node_id": "U_kgDOBaCS6g", "avatar_url": "https://avatars.githubusercontent.com/u/94409450?v=4", "gravatar_id": "", "url": "https://api.github.com/users/DaoyuanLi2816", "html_url": "https://github.com/DaoyuanLi2816", "followers_url": "https://api.github.com/users/DaoyuanL... | value:False | true | |||||||||
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cc @lhoestq
Closes huggingface/tracking-issues#808
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A GLB whose glTF JSON chunk is deeply nested (malformed or malicious) makes `trimesh.load` exceed Python's recursion limit while parsing it (`RecursionError: maximum recursion depth exceeded while decoding a JSON array`), crashing `Mesh.decode_example` with an uncaught error.
This routes both `trim... | value:https://api.github.com/repos/huggingface/datasets/issues/8249/comments | value:PR_kwDODunzps7jub7- | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8249", "html_url": "https://github.com/huggingface/datasets/pull/8249", "diff_url": "https://github.com/huggingface/datasets/pull/8249.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8249.patch", "merged_at": null} | value:2026-07-02T03:04:50Z | value:https://api.github.com/repos/huggingface/datasets/issues/8249/labels{/name} | value:8249 | json:{"login": "archievi", "id": 13202986, "node_id": "MDQ6VXNlcjEzMjAyOTg2", "avatar_url": "https://avatars.githubusercontent.com/u/13202986?v=4", "gravatar_id": "", "url": "https://api.github.com/users/archievi", "html_url": "https://github.com/archievi", "followers_url": "https://api.github.com/users/archievi/follow... | value:False | true | |||||||||||
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`ExtractManager.extract` runs the `_do_extract` "already extracted?" check outside any lock; the lock sits one level down in `Extractor.extract`. When two jobs share a cache, the second can catch a half-written output directory mid-extraction, assume it's done, and return a partial path.
This moves... | value:https://api.github.com/repos/huggingface/datasets/issues/8248/comments | value:PR_kwDODunzps7jtrLA | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8248", "html_url": "https://github.com/huggingface/datasets/pull/8248", "diff_url": "https://github.com/huggingface/datasets/pull/8248.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8248.patch", "merged_at": null} | value:2026-06-08T00:38:44Z | value:https://api.github.com/repos/huggingface/datasets/issues/8248/labels{/name} | value:8248 | json:{"login": "Incheonkirin", "id": 42427560, "node_id": "MDQ6VXNlcjQyNDI3NTYw", "avatar_url": "https://avatars.githubusercontent.com/u/42427560?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Incheonkirin", "html_url": "https://github.com/Incheonkirin", "followers_url": "https://api.github.com/users/Inc... | value:False | true | |||||||||
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**VORTEXRAG** was evaluated on 6 datasets available on the HuggingFace Hub using datasets.load_dataset():
- NQ, TriviaQA, WebQ, PopQA, HotpotQA, 2WikiMultiHopQA
Results: EM 74.8, F1 82.6 averaged across all 6. Full evaluation code is in the repo.
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Loading a GLB file with deeply nested JSON chunk causes a RecursionError, crashing the application.
## Step to Reproduce
```python
from datasets import Dataset, Mesh
import tempfile, os, struct
def make_malicious_glb(depth=5000):
json_chunk = (b'{"a":' * depth + b'1' + b'}' * depth)
mag... | value:https://api.github.com/repos/huggingface/datasets/issues/8246/comments | value:I_kwDODunzps8AAAABEpG_1w | value:open | value:1 | value:2026-08-12T06:46:48Z | value:https://api.github.com/repos/huggingface/datasets/issues/8246/labels{/name} | value:8246 | json:{"login": "ghost", "id": 10137, "node_id": "MDQ6VXNlcjEwMTM3", "avatar_url": "https://avatars.githubusercontent.com/u/10137?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ghost", "html_url": "https://github.com/ghost", "followers_url": "https://api.github.com/users/ghost/followers", "following_url":... | true | |||||||||||
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## What's the bug
When a JSONL file starts with a UTF-8 BOM (`\xef\xbb\xbf`), `load_dataset("json", ...)` infers a different schema than the same file without the BOM.
The JSON builder's first-batch "mixed-struct-types" pre-scan parses each line with `ujson` to decide whether to preserve heterogen... | value:https://api.github.com/repos/huggingface/datasets/issues/8243/comments | value:PR_kwDODunzps7jQ4z3 | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8243", "html_url": "https://github.com/huggingface/datasets/pull/8243", "diff_url": "https://github.com/huggingface/datasets/pull/8243.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8243.patch", "merged_at": "2026-06-09T15:48:26Z"} | value:2026-06-09T15:48:26Z | value:https://api.github.com/repos/huggingface/datasets/issues/8243/labels{/name} | value:8243 | json:{"login": "archievi", "id": 13202986, "node_id": "MDQ6VXNlcjEzMjAyOTg2", "avatar_url": "https://avatars.githubusercontent.com/u/13202986?v=4", "gravatar_id": "", "url": "https://api.github.com/users/archievi", "html_url": "https://github.com/archievi", "followers_url": "https://api.github.com/users/archievi/follow... | value:False | true | |||||||||
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Hi,
I'm trying to train a diffusion model and I getting stuck with
```
strace -p 967873
strace: Process 967873 attached
ioctl(9, _IOC(_IOC_READ|_IOC_WRITE, 0x46, 0x2a, 0x20), 0x7fff18579d90) = 0
ioctl(9, _IOC(_IOC_READ|_IOC_WRITE, 0x46, 0x2a, 0x20), 0x7fff18579d90) = 0
```
But my issue is... | value:https://api.github.com/repos/huggingface/datasets/issues/8242/comments | value:I_kwDODunzps8AAAABEiAVMA | value:open | value:1 | value:2026-10-20T15:59:26Z | value:https://api.github.com/repos/huggingface/datasets/issues/8242/labels{/name} | value:8242 | json:{"login": "SamuelLarkin", "id": 7314973, "node_id": "MDQ6VXNlcjczMTQ5NzM=", "avatar_url": "https://avatars.githubusercontent.com/u/7314973?v=4", "gravatar_id": "", "url": "https://api.github.com/users/SamuelLarkin", "html_url": "https://github.com/SamuelLarkin", "followers_url": "https://api.github.com/users/Samue... | true | |||||||||||
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When a JSONL file starts with a UTF-8 BOM (`\xef\xbb\xbf`), `datasets.load_dataset("json", data_files=...)` infers a different schema than when the same file is loaded without the BOM. Specifically, the loader's "mixed-struct-types" pre-scan — which normally promotes columns with heterogeneo... | value:https://api.github.com/repos/huggingface/datasets/issues/8241/comments | value:I_kwDODunzps8AAAABEgwy_Q | value:closed | value:1 | value:2026-06-09T15:48:27Z | value:https://api.github.com/repos/huggingface/datasets/issues/8241/labels{/name} | value:8241 | json:{"login": "f-salvetti", "id": 126902933, "node_id": "U_kgDOB5BilQ", "avatar_url": "https://avatars.githubusercontent.com/u/126902933?v=4", "gravatar_id": "", "url": "https://api.github.com/users/f-salvetti", "html_url": "https://github.com/f-salvetti", "followers_url": "https://api.github.com/users/f-salvetti/foll... | true | ||||||||
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- Preserve folder-builder metadata when auto-inferred split filename patterns match only a file such as `train.png`
- Re-resolve default `**` patterns only for auto-inferred folder datasets when sidecar metadata would otherwise be dropped
- Add regression coverage for explicit `imagefolder`, local auto... | value:https://api.github.com/repos/huggingface/datasets/issues/8238/comments | value:PR_kwDODunzps7i-Kt_ | value:open | value:3 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8238", "html_url": "https://github.com/huggingface/datasets/pull/8238", "diff_url": "https://github.com/huggingface/datasets/pull/8238.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8238.patch", "merged_at": null} | value:2026-06-15T07:04:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/8238/labels{/name} | value:8238 | json:{"login": "KirtiRamchandani", "id": 33368817, "node_id": "MDQ6VXNlcjMzMzY4ODE3", "avatar_url": "https://avatars.githubusercontent.com/u/33368817?v=4", "gravatar_id": "", "url": "https://api.github.com/users/KirtiRamchandani", "html_url": "https://github.com/KirtiRamchandani", "followers_url": "https://api.github.c... | value:False | true | |||||||||||
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## Summary
This PR improves Dataset.map behavior by ensuring that unchanged columns are preserved after transformation.
Previously, in some cases, columns not explicitly modified by the mapping function could be lost or reconstructed during shard concat... | value:https://api.github.com/repos/huggingface/datasets/issues/8237/comments | value:PR_kwDODunzps7ixgvz | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8237", "html_url": "https://github.com/huggingface/datasets/pull/8237", "diff_url": "https://github.com/huggingface/datasets/pull/8237.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8237.patch", "merged_at": null} | value:2026-06-04T18:26:35Z | value:https://api.github.com/repos/huggingface/datasets/issues/8237/labels{/name} | value:8237 | json:{"login": "visvaldas01", "id": 60853667, "node_id": "MDQ6VXNlcjYwODUzNjY3", "avatar_url": "https://avatars.githubusercontent.com/u/60853667?v=4", "gravatar_id": "", "url": "https://api.github.com/users/visvaldas01", "html_url": "https://github.com/visvaldas01", "followers_url": "https://api.github.com/users/visval... | value:True | true | |||||||||
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Fixes `IterableDataset.skip(n)` for streaming datasets when the underlying iterable uses Arrow batches and `n` skips one or more complete Arrow blocks.
Previously, after a full Arrow block was counted as skipped, `_iter_arrow()` continued into the partial-slice branch and yielded ro... | value:https://api.github.com/repos/huggingface/datasets/issues/8236/comments | value:PR_kwDODunzps7infTc | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8236", "html_url": "https://github.com/huggingface/datasets/pull/8236", "diff_url": "https://github.com/huggingface/datasets/pull/8236.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8236.patch", "merged_at": "2026-06-05T12:39:12Z"} | value:2026-06-05T12:39:12Z | value:https://api.github.com/repos/huggingface/datasets/issues/8236/labels{/name} | value:8236 | json:{"login": "my17th2", "id": 136581179, "node_id": "U_kgDOCCQQOw", "avatar_url": "https://avatars.githubusercontent.com/u/136581179?v=4", "gravatar_id": "", "url": "https://api.github.com/users/my17th2", "html_url": "https://github.com/my17th2", "followers_url": "https://api.github.com/users/my17th2/followers", "fol... | value:False | true | |||||||||
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Changes:
- Added a note directing users to the loading guide.
- Clarified that `from_` methods create datasets from local Python objects rather than local files.
Addresses #5805. | value:https://api.github.com/repos/huggingface/datasets/issues/8235/comments | value:PR_kwDODunzps7ieWtv | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8235", "html_url": "https://github.com/huggingface/datasets/pull/8235", "diff_url": "https://github.com/huggingface/datasets/pull/8235.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8235.patch", "merged_at": "2026-06-09T15:22:31Z"} | value:2026-06-09T15:22:31Z | value:https://api.github.com/repos/huggingface/datasets/issues/8235/labels{/name} | value:8235 | json:{"login": "zanvari", "id": 72955734, "node_id": "MDQ6VXNlcjcyOTU1NzM0", "avatar_url": "https://avatars.githubusercontent.com/u/72955734?v=4", "gravatar_id": "", "url": "https://api.github.com/users/zanvari", "html_url": "https://github.com/zanvari", "followers_url": "https://api.github.com/users/zanvari/followers"... | value:False | true | |||||||||
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This PR adds the `teich` extracted traces data, i.e. the fields messages, prompt, tools and metadata
```python
In [1]: from datasets import load_dataset
I... | value:https://api.github.com/repos/huggingface/datasets/issues/8232/comments | value:PR_kwDODunzps7h4h7C | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8232", "html_url": "https://github.com/huggingface/datasets/pull/8232", "diff_url": "https://github.com/huggingface/datasets/pull/8232.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8232.patch", "merged_at": "2026-06-03T14:46:55Z"} | value:2026-06-03T14:46:58Z | value:https://api.github.com/repos/huggingface/datasets/issues/8232/labels{/name} | value:8232 | 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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A missing value (`None`) in a `Json()` column is currently stored as the JSON string `"null"` instead of a real Arrow null. This has two visible consequences:
1. The column reports `null_count == 0` even when values are missing, and `is_null()` returns all `False`. Anything that relies on Arr... | value:https://api.github.com/repos/huggingface/datasets/issues/8231/comments | value:PR_kwDODunzps7hnhUh | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8231", "html_url": "https://github.com/huggingface/datasets/pull/8231", "diff_url": "https://github.com/huggingface/datasets/pull/8231.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8231.patch", "merged_at": "2026-06-05T12:39:24Z"} | value:2026-06-05T12:39:24Z | value:https://api.github.com/repos/huggingface/datasets/issues/8231/labels{/name} | value:8231 | json:{"login": "adityasingh2400", "id": 60082699, "node_id": "MDQ6VXNlcjYwMDgyNjk5", "avatar_url": "https://avatars.githubusercontent.com/u/60082699?v=4", "gravatar_id": "", "url": "https://api.github.com/users/adityasingh2400", "html_url": "https://github.com/adityasingh2400", "followers_url": "https://api.github.com/... | value:False | true | |||||||||
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When using `load_dataset(..., streaming=True, data_files=...)`, `DataFilesList.from_patterns` currently fetches origin metadata (ETag/mtime) for each resolved file even though the streaming pipeline doesn't use the local cache/fingerprint path.
This PR adds an opt-out (`skip_origin_metadata`) for da... | value:https://api.github.com/repos/huggingface/datasets/issues/8229/comments | value:PR_kwDODunzps7hMFpS | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8229", "html_url": "https://github.com/huggingface/datasets/pull/8229", "diff_url": "https://github.com/huggingface/datasets/pull/8229.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8229.patch", "merged_at": null} | value:2026-06-17T03:47:00Z | value:https://api.github.com/repos/huggingface/datasets/issues/8229/labels{/name} | value:8229 | json:{"login": "TheDerbiedOne", "id": 17052066, "node_id": "MDQ6VXNlcjE3MDUyMDY2", "avatar_url": "https://avatars.githubusercontent.com/u/17052066?v=4", "gravatar_id": "", "url": "https://api.github.com/users/TheDerbiedOne", "html_url": "https://github.com/TheDerbiedOne", "followers_url": "https://api.github.com/users/... | value:False | true | |||||||||||
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When `.map()` uses a closure capturing `self` with non-deterministic state
(like UUIDs or loggers), the fingerprint changes every run causing cache misses.
Fix: only hash primitive attributes of captured objects instead of the full object.
Added a regression test in `tests/test_fingerprint.... | value:https://api.github.com/repos/huggingface/datasets/issues/8228/comments | value:PR_kwDODunzps7g7K93 | value:open | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8228", "html_url": "https://github.com/huggingface/datasets/pull/8228", "diff_url": "https://github.com/huggingface/datasets/pull/8228.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8228.patch", "merged_at": null} | value:2026-07-20T04:12:38Z | value:https://api.github.com/repos/huggingface/datasets/issues/8228/labels{/name} | value:8228 | json:{"login": "kamaleshpanda", "id": 249426472, "node_id": "U_kgDODt3yKA", "avatar_url": "https://avatars.githubusercontent.com/u/249426472?v=4", "gravatar_id": "", "url": "https://api.github.com/users/kamaleshpanda", "html_url": "https://github.com/kamaleshpanda", "followers_url": "https://api.github.com/users/kamale... | value:False | true | |||||||||||
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This vulnerability and fix were autonomously discovered by the Lucy Red Team swarm.
Upon reviewing the provided code snippet from `src/datasets/io/generator.py`, I didn't find any obvious critical bugs. However, there are a few areas that could be improved or clarified:
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This is follow-up PR for fixing a specific issue related to `dataset.push_to_hub(repo_id, embed_external_files=True)`
### Test Conducted
```python
from datasets import Features, Image, Mesh, Value, load_dataset
repo_id = "VINAY-UMRETHE/My-Mesh-Dataset"
dataset = load_dataset("j... | value:https://api.github.com/repos/huggingface/datasets/issues/8224/comments | value:PR_kwDODunzps7f6162 | value:closed | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8224", "html_url": "https://github.com/huggingface/datasets/pull/8224", "diff_url": "https://github.com/huggingface/datasets/pull/8224.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8224.patch", "merged_at": "2026-06-01T10:15:56Z"} | value:2026-10-12T11:10:40Z | value:https://api.github.com/repos/huggingface/datasets/issues/8224/labels{/name} | value:8224 | json:{"login": "Vinay-Umrethe", "id": 175500353, "node_id": "U_kgDOCnXsQQ", "avatar_url": "https://avatars.githubusercontent.com/u/175500353?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Vinay-Umrethe", "html_url": "https://github.com/Vinay-Umrethe", "followers_url": "https://api.github.com/users/Vinay-... | value:False | true | |||||||||
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Two public API functions were missing parameters from their docstrings:
### 1. `load_dataset()` — missing `save_infos`
The `save_infos` parameter has been in the function signature but was absent from the `Args` section of the docstring. When `save_infos=True`, it overrides `verificati... | value:https://api.github.com/repos/huggingface/datasets/issues/8223/comments | value:PR_kwDODunzps7ftwk8 | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8223", "html_url": "https://github.com/huggingface/datasets/pull/8223", "diff_url": "https://github.com/huggingface/datasets/pull/8223.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8223.patch", "merged_at": null} | value:2026-08-04T15:10:09Z | value:https://api.github.com/repos/huggingface/datasets/issues/8223/labels{/name} | value:8223 | json:{"login": "kratos0718", "id": 204972096, "node_id": "U_kgDODDegQA", "avatar_url": "https://avatars.githubusercontent.com/u/204972096?v=4", "gravatar_id": "", "url": "https://api.github.com/users/kratos0718", "html_url": "https://github.com/kratos0718", "followers_url": "https://api.github.com/users/kratos0718/foll... | value:False | true | |||||||||||
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Closes #5523.
When you pass an invalid split name to `load_dataset()`, the error only surfaces after the entire dataset has already been downloaded. For large datasets that can mean waiting many minutes before seeing a one-liner like:
```python
from datasets import load_dataset
load_dataset(... | value:https://api.github.com/repos/huggingface/datasets/issues/8222/comments | value:PR_kwDODunzps7fpIh- | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8222", "html_url": "https://github.com/huggingface/datasets/pull/8222", "diff_url": "https://github.com/huggingface/datasets/pull/8222.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8222.patch", "merged_at": null} | value:2026-05-27T01:54:14Z | value:https://api.github.com/repos/huggingface/datasets/issues/8222/labels{/name} | value:8222 | json:{"login": "ParamChordiya", "id": 66090650, "node_id": "MDQ6VXNlcjY2MDkwNjUw", "avatar_url": "https://avatars.githubusercontent.com/u/66090650?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ParamChordiya", "html_url": "https://github.com/ParamChordiya", "followers_url": "https://api.github.com/users/... | value:False | true | |||||||||||
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Adds `.github/dependabot.yml` so this repo's pinned GitHub Action SHAs
get bumped automatically once a week.
All action updates are **grouped into one weekly PR** (not one PR per
action) to keep the noise down, and Dependabot waits **7 days after a
release before opening the bump** (cooldown). The 7-... | value:https://api.github.com/repos/huggingface/datasets/issues/8221/comments | value:PR_kwDODunzps7fXz19 | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8221", "html_url": "https://github.com/huggingface/datasets/pull/8221", "diff_url": "https://github.com/huggingface/datasets/pull/8221.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8221.patch", "merged_at": "2026-09-17T09:06:08Z"} | value:2026-09-17T09:06:11Z | value:https://api.github.com/repos/huggingface/datasets/issues/8221/labels{/name} | value:8221 | json:{"login": "hf-dependantbot-rollout[bot]", "id": 285970069, "node_id": "BOT_kgDOEQuOlQ", "avatar_url": "https://avatars.githubusercontent.com/u/25720743?v=4", "gravatar_id": "", "url": "https://api.github.com/users/hf-dependantbot-rollout%5Bbot%5D", "html_url": "https://github.com/apps/hf-dependantbot-rollout", "fo... | value:False | true | |||||||||
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Fixes #4804
This PR adds support for unsliced split composition when loading datasets in streaming mode, e.g. `split="train+validation"`.
Previously, `DatasetBuilder.as_streaming_dataset()` only accepted a single split name or returned all splits as an `IterableDatasetDict`, so composed split s... | value:https://api.github.com/repos/huggingface/datasets/issues/8220/comments | value:PR_kwDODunzps7eqDip | value:closed | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8220", "html_url": "https://github.com/huggingface/datasets/pull/8220", "diff_url": "https://github.com/huggingface/datasets/pull/8220.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8220.patch", "merged_at": "2026-06-05T12:46:55Z"} | value:2026-06-05T12:46:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/8220/labels{/name} | value:8220 | json:{"login": "lanarkite99", "id": 141490933, "node_id": "U_kgDOCG769Q", "avatar_url": "https://avatars.githubusercontent.com/u/141490933?v=4", "gravatar_id": "", "url": "https://api.github.com/users/lanarkite99", "html_url": "https://github.com/lanarkite99", "followers_url": "https://api.github.com/users/lanarkite99/... | value:False | true | |||||||||
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## Summary
Adds a `packaged_modules/conll/` builder so `.conll` and `.conllu` files load directly via `load_dataset(...)` without manual parsing scripts. Each row of the loaded dataset corresponds to one sentence, with each configured column produced as a list aligned with the token list.
B... | value:https://api.github.com/repos/huggingface/datasets/issues/8219/comments | value:PR_kwDODunzps7enWfQ | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8219", "html_url": "https://github.com/huggingface/datasets/pull/8219", "diff_url": "https://github.com/huggingface/datasets/pull/8219.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8219.patch", "merged_at": "2026-05-27T14:09:25Z"} | value:2026-05-27T14:09:25Z | value:https://api.github.com/repos/huggingface/datasets/issues/8219/labels{/name} | value:8219 | json:{"login": "CrypticCortex", "id": 152802887, "node_id": "U_kgDOCRuWRw", "avatar_url": "https://avatars.githubusercontent.com/u/152802887?v=4", "gravatar_id": "", "url": "https://api.github.com/users/CrypticCortex", "html_url": "https://github.com/CrypticCortex", "followers_url": "https://api.github.com/users/Crypti... | value:False | true | |||||||||
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### Problem Description
- Unstable/slow data loading + NCCL timeouts
- Step time fluctuates drastically: ~1s/step (fast) vs ~45s/step (extremely ... | value:https://api.github.com/repos/huggingface/datasets/issues/8217/comments | value:I_kwDODunzps8AAAABDFJofw | value:closed | value:1 | value:2026-06-03T02:12:43Z | value:https://api.github.com/repos/huggingface/datasets/issues/8217/labels{/name} | value:8217 | json:{"login": "D222097", "id": 50061868, "node_id": "MDQ6VXNlcjUwMDYxODY4", "avatar_url": "https://avatars.githubusercontent.com/u/50061868?v=4", "gravatar_id": "", "url": "https://api.github.com/users/D222097", "html_url": "https://github.com/D222097", "followers_url": "https://api.github.com/users/D222097/followers"... | true | ||||||||
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`get_dataset_config_names` with `HF_DATASETS_OFFLINE=1` returns `['default']` even when the cache contains multiple config subdirectories for the dataset. For example, after caching `cais/mmlu`:
```
$ HF_DATASETS_OFFLINE=1 python -c "import datasets; print(datasets.get_dataset_config_names('cais/mmlu'))... | value:https://api.github.com/repos/huggingface/datasets/issues/8216/comments | value:PR_kwDODunzps7eI6YH | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8216", "html_url": "https://github.com/huggingface/datasets/pull/8216", "diff_url": "https://github.com/huggingface/datasets/pull/8216.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8216.patch", "merged_at": null} | value:2026-05-21T23:27:32Z | value:https://api.github.com/repos/huggingface/datasets/issues/8216/labels{/name} | value:8216 | json:{"login": "adityasingh2400", "id": 60082699, "node_id": "MDQ6VXNlcjYwMDgyNjk5", "avatar_url": "https://avatars.githubusercontent.com/u/60082699?v=4", "gravatar_id": "", "url": "https://api.github.com/users/adityasingh2400", "html_url": "https://github.com/adityasingh2400", "followers_url": "https://api.github.com/... | value:False | true | |||||||||||
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NonMatchingSplitsSizesError currently fires whenever the loaded split size differs from the expected size, including when the user explicitly passed data_files for a known subset of the dataset. The only user-side workaround is verification_mode='no_checks', which silences ALL checks rather than jus... | value:https://api.github.com/repos/huggingface/datasets/issues/8215/comments | value:PR_kwDODunzps7eI29O | value:open | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8215", "html_url": "https://github.com/huggingface/datasets/pull/8215", "diff_url": "https://github.com/huggingface/datasets/pull/8215.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8215.patch", "merged_at": null} | value:2026-06-05T13:30:46Z | value:https://api.github.com/repos/huggingface/datasets/issues/8215/labels{/name} | value:8215 | json:{"login": "adityasingh2400", "id": 60082699, "node_id": "MDQ6VXNlcjYwMDgyNjk5", "avatar_url": "https://avatars.githubusercontent.com/u/60082699?v=4", "gravatar_id": "", "url": "https://api.github.com/users/adityasingh2400", "html_url": "https://github.com/adityasingh2400", "followers_url": "https://api.github.com/... | value:False | true | |||||||||||
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Resolves #5806.
This PR introduces an optional `return_file_name` boolean parameter to the packaged JSON builder. When enabled, it injects a `file_name` column into the generated PyArrow tables, allowing downstream users to track exactly which data shard a specific row originated from during in... | value:https://api.github.com/repos/huggingface/datasets/issues/8214/comments | value:PR_kwDODunzps7d-pbh | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8214", "html_url": "https://github.com/huggingface/datasets/pull/8214", "diff_url": "https://github.com/huggingface/datasets/pull/8214.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8214.patch", "merged_at": null} | value:2026-06-18T04:56:46Z | value:https://api.github.com/repos/huggingface/datasets/issues/8214/labels{/name} | value:8214 | json:{"login": "kphantom0", "id": 250848918, "node_id": "U_kgDODvOmlg", "avatar_url": "https://avatars.githubusercontent.com/u/250848918?v=4", "gravatar_id": "", "url": "https://api.github.com/users/kphantom0", "html_url": "https://github.com/kphantom0", "followers_url": "https://api.github.com/users/kphantom0/follower... | value:False | true | |||||||||||
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... | value:https://api.github.com/repos/huggingface/datasets/issues/8212/comments | value:PR_kwDODunzps7dmXMH | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8212", "html_url": "https://github.com/huggingface/datasets/pull/8212", "diff_url": "https://github.com/huggingface/datasets/pull/8212.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8212.patch", "merged_at": null} | value:2026-05-22T06:47:00Z | value:https://api.github.com/repos/huggingface/datasets/issues/8212/labels{/name} | value:8212 | json:{"login": "adv0r", "id": 776957, "node_id": "MDQ6VXNlcjc3Njk1Nw==", "avatar_url": "https://avatars.githubusercontent.com/u/776957?v=4", "gravatar_id": "", "url": "https://api.github.com/users/adv0r", "html_url": "https://github.com/adv0r", "followers_url": "https://api.github.com/users/adv0r/followers", "following... | value:True | true | |||||||||||
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useful e.g. for https://huggingface.co/datasets/jasperai/monet to load the thumbnails without the e... | value:https://api.github.com/repos/huggingface/datasets/issues/8210/comments | value:PR_kwDODunzps7dJ_cZ | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8210", "html_url": "https://github.com/huggingface/datasets/pull/8210", "diff_url": "https://github.com/huggingface/datasets/pull/8210.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8210.patch", "merged_at": "2026-05-20T10:32:18Z"} | value:2026-05-20T10:32:20Z | value:https://api.github.com/repos/huggingface/datasets/issues/8210/labels{/name} | value:8210 | 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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When `load_dataset("json", data_files=..., field="data", ...)` is used, columns whose values are all integer-valued floats (`[0.0, 1.0, 2.0]`) get silently coerced to `int64`. Repro:
```python
import tempfile, json
from datasets import load_dataset
with tempfile.NamedTemporaryFile(mode="w", suffi... | value:https://api.github.com/repos/huggingface/datasets/issues/8209/comments | value:PR_kwDODunzps7c1qee | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8209", "html_url": "https://github.com/huggingface/datasets/pull/8209", "diff_url": "https://github.com/huggingface/datasets/pull/8209.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8209.patch", "merged_at": null} | value:2026-08-07T01:49:34Z | value:https://api.github.com/repos/huggingface/datasets/issues/8209/labels{/name} | value:8209 | json:{"login": "LeSingh1", "id": 197028264, "node_id": "U_kgDOC75pqA", "avatar_url": "https://avatars.githubusercontent.com/u/197028264?v=4", "gravatar_id": "", "url": "https://api.github.com/users/LeSingh1", "html_url": "https://github.com/LeSingh1", "followers_url": "https://api.github.com/users/LeSingh1/followers", ... | value:False | true | |||||||||||
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This PR fixes a duplicate keyword argument collision in `load_dataset_builder()` when the same parameter is passed through both `builder_kwargs` and `config_kwargs`.
Previously, calling `load_dataset()` or `load_dataset_builder()` with arguments such as `base_path` could raise:
```python
Type... | value:https://api.github.com/repos/huggingface/datasets/issues/8206/comments | value:PR_kwDODunzps7cZASu | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8206", "html_url": "https://github.com/huggingface/datasets/pull/8206", "diff_url": "https://github.com/huggingface/datasets/pull/8206.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8206.patch", "merged_at": null} | value:2026-05-18T11:03:14Z | value:https://api.github.com/repos/huggingface/datasets/issues/8206/labels{/name} | value:8206 | json:{"login": "AtreoP", "id": 97874269, "node_id": "U_kgDOBdVxXQ", "avatar_url": "https://avatars.githubusercontent.com/u/97874269?v=4", "gravatar_id": "", "url": "https://api.github.com/users/AtreoP", "html_url": "https://github.com/AtreoP", "followers_url": "https://api.github.com/users/AtreoP/followers", "following... | value:False | true | |||||||||
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- Fixes #6348
- When `push_to_hub` is called with a `token`, the per-repo token map (`token_per_repo_id`) is built correctly earlier in the function — but it was never forwarded to `embed_table_storage` during the shard-map step.
- This caused a one-line fix: wrap `embed_table_storage` with `functools... | value:https://api.github.com/repos/huggingface/datasets/issues/8205/comments | value:PR_kwDODunzps7cOjxM | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8205", "html_url": "https://github.com/huggingface/datasets/pull/8205", "diff_url": "https://github.com/huggingface/datasets/pull/8205.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8205.patch", "merged_at": null} | value:2026-05-18T14:01:36Z | value:https://api.github.com/repos/huggingface/datasets/issues/8205/labels{/name} | value:8205 | json:{"login": "JiwaniZakir", "id": 108548454, "node_id": "U_kgDOBnhRZg", "avatar_url": "https://avatars.githubusercontent.com/u/108548454?v=4", "gravatar_id": "", "url": "https://api.github.com/users/JiwaniZakir", "html_url": "https://github.com/JiwaniZakir", "followers_url": "https://api.github.com/users/JiwaniZakir/... | value:False | true | |||||||||
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I have a security finding in datasets that I would like to disclose privately. GitHub Private Vulnerability Reporting is currently disabled on this repo.
Could you turn it on? It's at Settings > Security > Code security and analysis > Private vulnerability reporting. Once enabled I will file t... | value:https://api.github.com/repos/huggingface/datasets/issues/8204/comments | value:I_kwDODunzps8AAAABCdZ3ew | value:open | value:0 | value:2026-05-16T13:28:01Z | value:https://api.github.com/repos/huggingface/datasets/issues/8204/labels{/name} | value:8204 | json:{"login": "0xBassia", "id": 12531007, "node_id": "MDQ6VXNlcjEyNTMxMDA3", "avatar_url": "https://avatars.githubusercontent.com/u/12531007?v=4", "gravatar_id": "", "url": "https://api.github.com/users/0xBassia", "html_url": "https://github.com/0xBassia", "followers_url": "https://api.github.com/users/0xBassia/follow... | true | |||||||||||
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Fixes #8201
**The Bug:**
During distributed training with `streaming=True`, if a user provides fewer `.tar` files than the number of distributed ranks, some ranks receive an empty list of files. This caused an `IndexError: list index out of range` in `webdataset.py` because the code assumed `... | value:https://api.github.com/repos/huggingface/datasets/issues/8203/comments | value:PR_kwDODunzps7cKtna | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8203", "html_url": "https://github.com/huggingface/datasets/pull/8203", "diff_url": "https://github.com/huggingface/datasets/pull/8203.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8203.patch", "merged_at": null} | value:2026-05-18T14:06:27Z | value:https://api.github.com/repos/huggingface/datasets/issues/8203/labels{/name} | value:8203 | json:{"login": "Wolfram-St", "id": 188649249, "node_id": "U_kgDOCz6PIQ", "avatar_url": "https://avatars.githubusercontent.com/u/188649249?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Wolfram-St", "html_url": "https://github.com/Wolfram-St", "followers_url": "https://api.github.com/users/Wolfram-St/foll... | value:False | true | |||||||||||
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Single-machine training works fine, but multi-machine training throws up all sorts of weird bugs. Help me!
### Steps to reproduce the bug
train_dataset = load_dataset(
"webdataset", data_files=args.train_dataset, split="train", streaming=True,cache_dir='/dev/shm/.cache'
)
args... | value:https://api.github.com/repos/huggingface/datasets/issues/8201/comments | value:I_kwDODunzps8AAAABCZ9hOA | value:open | value:4 | value:2026-05-20T12:58:57Z | value:https://api.github.com/repos/huggingface/datasets/issues/8201/labels{/name} | value:8201 | json:{"login": "aihao2000", "id": 51043929, "node_id": "MDQ6VXNlcjUxMDQzOTI5", "avatar_url": "https://avatars.githubusercontent.com/u/51043929?v=4", "gravatar_id": "", "url": "https://api.github.com/users/aihao2000", "html_url": "https://github.com/aihao2000", "followers_url": "https://api.github.com/users/aihao2000/fo... | true | |||||||||||
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## What does this PR do?
Replaces `AutoFeatureExtractor` with `AutoImageProcessor` in the image augmentation example in `docs/source/use_dataset.mdx`. For vision models, `AutoImageProcessor` is the recommended API and better reflects current `transformers` conventions.
This is consistent wit... | value:https://api.github.com/repos/huggingface/datasets/issues/8200/comments | value:PR_kwDODunzps7cAyOW | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8200", "html_url": "https://github.com/huggingface/datasets/pull/8200", "diff_url": "https://github.com/huggingface/datasets/pull/8200.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8200.patch", "merged_at": null} | value:2026-05-21T02:31:46Z | value:https://api.github.com/repos/huggingface/datasets/issues/8200/labels{/name} | value:8200 | json:{"login": "ajaystar8", "id": 76703014, "node_id": "MDQ6VXNlcjc2NzAzMDE0", "avatar_url": "https://avatars.githubusercontent.com/u/76703014?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ajaystar8", "html_url": "https://github.com/ajaystar8", "followers_url": "https://api.github.com/users/ajaystar8/fo... | value:False | true | |||||||||||
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The `docs/source/use_dataset.mdx` documentation uses `AutoFeatureExtractor` from `transformers` in its image preprocessing example. For vision models, `AutoImageProcessor` is now the recommended API and better reflects current `transformers` conventions.
## Problem
In the [[Apply data augmentations]... | value:https://api.github.com/repos/huggingface/datasets/issues/8199/comments | value:I_kwDODunzps8AAAABCZXobQ | value:closed | value:1 | value:2026-07-22T17:35:56Z | value:https://api.github.com/repos/huggingface/datasets/issues/8199/labels{/name} | value:8199 | json:{"login": "ajaystar8", "id": 76703014, "node_id": "MDQ6VXNlcjc2NzAzMDE0", "avatar_url": "https://avatars.githubusercontent.com/u/76703014?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ajaystar8", "html_url": "https://github.com/ajaystar8", "followers_url": "https://api.github.com/users/ajaystar8/fo... | true | ||||||||
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In datasets/arrow_writer.py, replaced all the type annotations of List method with Sequence.
Library used and changes made are as follows:
```bash
from collections.abc import Sequence as Sequence_
Before : List(Image())
After : Sequence_(Image()... | value:https://api.github.com/repos/huggingface/datasets/issues/8198/comments | value:PR_kwDODunzps7b3uHD | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8198", "html_url": "https://github.com/huggingface/datasets/pull/8198", "diff_url": "https://github.com/huggingface/datasets/pull/8198.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8198.patch", "merged_at": null} | value:2026-06-24T04:32:11Z | value:https://api.github.com/repos/huggingface/datasets/issues/8198/labels{/name} | value:8198 | json:{"login": "AtreoP", "id": 97874269, "node_id": "U_kgDOBdVxXQ", "avatar_url": "https://avatars.githubusercontent.com/u/97874269?v=4", "gravatar_id": "", "url": "https://api.github.com/users/AtreoP", "html_url": "https://github.com/AtreoP", "followers_url": "https://api.github.com/users/AtreoP/followers", "following... | value:False | true | |||||||||||
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I've been looking into the initialization process of the `DatasetBuilder` and noticed that the ETag/origin metadata caching path is executed unconditionally.
While fetching the `origin_metadata` and calculating the ETag is necessary for safely managing a local disk cache when using `as_dataset()`, it s... | value:https://api.github.com/repos/huggingface/datasets/issues/8197/comments | value:I_kwDODunzps8AAAABCV-Bqw | value:open | value:2 | value:2026-06-17T03:39:14Z | value:https://api.github.com/repos/huggingface/datasets/issues/8197/labels{/name} | value:8197 | json:{"login": "yuxin00j", "id": 255896926, "node_id": "U_kgDOD0CtXg", "avatar_url": "https://avatars.githubusercontent.com/u/255896926?v=4", "gravatar_id": "", "url": "https://api.github.com/users/yuxin00j", "html_url": "https://github.com/yuxin00j", "followers_url": "https://api.github.com/users/yuxin00j/followers", ... | true | |||||||||||
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Fixes #5114 — `Dataset.load_from_disk` raises a `FileNotFoundError` when called **twice** on the same remote-filesystem path within the same Python session.
### Root cause
`Dataset.load_from_disk` uses `fs.download(src, dest, recursive=True)` to copy the remote dataset to a local temp ... | value:https://api.github.com/repos/huggingface/datasets/issues/8196/comments | value:PR_kwDODunzps7bf5Kz | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8196", "html_url": "https://github.com/huggingface/datasets/pull/8196", "diff_url": "https://github.com/huggingface/datasets/pull/8196.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8196.patch", "merged_at": null} | value:2026-06-11T15:24:24Z | value:https://api.github.com/repos/huggingface/datasets/issues/8196/labels{/name} | value:8196 | json:{"login": "xodn348", "id": 58055473, "node_id": "MDQ6VXNlcjU4MDU1NDcz", "avatar_url": "https://avatars.githubusercontent.com/u/58055473?v=4", "gravatar_id": "", "url": "https://api.github.com/users/xodn348", "html_url": "https://github.com/xodn348", "followers_url": "https://api.github.com/users/xodn348/followers"... | value:False | true | |||||||||
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## What
`folder_based_builder._split_generators` allocates a single `labels: set[str]` outside the per-split loop and `analyze(...)` mutates it across every split. When the user passes:
```python
load_dataset("audiofolder", data_files={"train": "train/**", "test": "test/**"})
```
and the actual ... | value:https://api.github.com/repos/huggingface/datasets/issues/8195/comments | value:PR_kwDODunzps7aombr | value:open | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8195", "html_url": "https://github.com/huggingface/datasets/pull/8195", "diff_url": "https://github.com/huggingface/datasets/pull/8195.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8195.patch", "merged_at": null} | value:2026-11-03T22:43:06Z | value:https://api.github.com/repos/huggingface/datasets/issues/8195/labels{/name} | value:8195 | json:{"login": "1fanwang", "id": 21269208, "node_id": "MDQ6VXNlcjIxMjY5MjA4", "avatar_url": "https://avatars.githubusercontent.com/u/21269208?v=4", "gravatar_id": "", "url": "https://api.github.com/users/1fanwang", "html_url": "https://github.com/1fanwang", "followers_url": "https://api.github.com/users/1fanwang/follow... | value:False | true | |||||||||||
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ds = load_dataset(..., streaming=True)
ds = ds.shuffle(seed=42)
# or configure local buffer shuffling manually, default is:
ds = ds.shuffle(seed=42, buffer_size=1000, max_buffer_input_shards=10)
```
before👎:
<img width="1061" height="529" alt="image" src="https://github.com/user-attachments/as... | value:https://api.github.com/repos/huggingface/datasets/issues/8194/comments | value:PR_kwDODunzps7aTbgX | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8194", "html_url": "https://github.com/huggingface/datasets/pull/8194", "diff_url": "https://github.com/huggingface/datasets/pull/8194.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8194.patch", "merged_at": "2026-05-18T13:59:07Z"} | value:2026-05-18T13:59:11Z | value:https://api.github.com/repos/huggingface/datasets/issues/8194/labels{/name} | value:8194 | 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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## Summary
`load_dataset(..., data_dir="/path/[D_DATA]/foo")` — or any path with `[`, `]`, `*`, `?` in the literal directory name — failed: `fs.glob` interpreted the bracketed segment as a glob character class, walked a much larger tree (often the whole disk on Windows) and returned no files. Users... | value:https://api.github.com/repos/huggingface/datasets/issues/8192/comments | value:PR_kwDODunzps7Z_Rpc | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8192", "html_url": "https://github.com/huggingface/datasets/pull/8192", "diff_url": "https://github.com/huggingface/datasets/pull/8192.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8192.patch", "merged_at": null} | value:2026-05-10T12:01:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/8192/labels{/name} | value:8192 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
`IterableDataset.map(remove_columns=[...])` (without an explicit `features=` and without a user-provided `function`) overwrites `info.features` with `None`, so `IterableDataset.column_names` (which reads `info.features.keys()`) silently becomes `None`. The same regression bubbles up thro... | value:https://api.github.com/repos/huggingface/datasets/issues/8191/comments | value:PR_kwDODunzps7Z_QiE | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8191", "html_url": "https://github.com/huggingface/datasets/pull/8191", "diff_url": "https://github.com/huggingface/datasets/pull/8191.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8191.patch", "merged_at": null} | value:2026-05-10T11:58:54Z | value:https://api.github.com/repos/huggingface/datasets/issues/8191/labels{/name} | value:8191 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
`Dataset.shard(num_shards=N, index=i)` with `N > len(dataset)`:
- silently produced empty shards (`contiguous=True`)
- crashed with `IndexError: Index ... out of range for dataset of size ...` deep in `.select` (`contiguous=False`)
`push_to_hub` / `save_to_disk` then surfaced this confu... | value:https://api.github.com/repos/huggingface/datasets/issues/8190/comments | value:PR_kwDODunzps7Z_N_4 | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8190", "html_url": "https://github.com/huggingface/datasets/pull/8190", "diff_url": "https://github.com/huggingface/datasets/pull/8190.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8190.patch", "merged_at": null} | value:2026-05-10T11:54:07Z | value:https://api.github.com/repos/huggingface/datasets/issues/8190/labels{/name} | value:8190 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
`Dataset.batch.num_proc` and `Dataset.filter.num_proc` had a one-liner docstring (\"Max number of processes when generating cache. Already cached shards are loaded sequentially.\") that left readers wondering whether `None` means "no multiprocessing" or "pick a number".
Both methods sim... | value:https://api.github.com/repos/huggingface/datasets/issues/8189/comments | value:PR_kwDODunzps7Z-RVx | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8189", "html_url": "https://github.com/huggingface/datasets/pull/8189", "diff_url": "https://github.com/huggingface/datasets/pull/8189.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8189.patch", "merged_at": null} | value:2026-05-10T09:14:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/8189/labels{/name} | value:8189 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
When an `audiofolder`/`imagefolder`/`videofolder` dataset is laid out as
```
folder/train/file0.mp3
folder/test/file1.mp3
```
with no class subdirectories, label inference accumulates the parent directory of each file across **all splits**, ends up with `labels = {\"train\", \"test\"}`... | value:https://api.github.com/repos/huggingface/datasets/issues/8188/comments | value:PR_kwDODunzps7Z-QXb | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8188", "html_url": "https://github.com/huggingface/datasets/pull/8188", "diff_url": "https://github.com/huggingface/datasets/pull/8188.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8188.patch", "merged_at": null} | value:2026-05-10T09:12:22Z | value:https://api.github.com/repos/huggingface/datasets/issues/8188/labels{/name} | value:8188 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
```python
load_dataset("user/dataset", split="train[0%:10%]", streaming=True)
```
raised the generic
```
ValueError: Bad split: train[0%:10%]. Available splits: ['train']
```
which makes it look like the slice syntax is malformed. The actual reason is that streaming mode doesn't know ... | value:https://api.github.com/repos/huggingface/datasets/issues/8187/comments | value:PR_kwDODunzps7Z-Oly | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8187", "html_url": "https://github.com/huggingface/datasets/pull/8187", "diff_url": "https://github.com/huggingface/datasets/pull/8187.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8187.patch", "merged_at": null} | value:2026-05-10T09:07:20Z | value:https://api.github.com/repos/huggingface/datasets/issues/8187/labels{/name} | value:8187 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
The link to the WebDataset documentation in the audio, video and image dataset docs pages points to `https://webdataset.github.io/webdataset`, which returns **HTTP 404**.
The WebDataset library now lives at `https://github.com/webdataset/webdataset`, which is the canonical documentation... | value:https://api.github.com/repos/huggingface/datasets/issues/8186/comments | value:PR_kwDODunzps7Z-Mq4 | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8186", "html_url": "https://github.com/huggingface/datasets/pull/8186", "diff_url": "https://github.com/huggingface/datasets/pull/8186.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8186.patch", "merged_at": null} | value:2026-05-10T09:02:54Z | value:https://api.github.com/repos/huggingface/datasets/issues/8186/labels{/name} | value:8186 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
The batched-map example in `Dataset.map`, `DatasetDict.map` and `docs/README.md` referenced `tokenizer` without defining or importing it:
```python
>>> ds = ds.map(lambda example: tokenizer(example["text"]), batched=True)
```
Users copy-pasting the snippet hit `NameError: name 'tokeniz... | value:https://api.github.com/repos/huggingface/datasets/issues/8185/comments | value:PR_kwDODunzps7Z-MNS | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8185", "html_url": "https://github.com/huggingface/datasets/pull/8185", "diff_url": "https://github.com/huggingface/datasets/pull/8185.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8185.patch", "merged_at": null} | value:2026-05-10T09:01:43Z | value:https://api.github.com/repos/huggingface/datasets/issues/8185/labels{/name} | value:8185 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
`_as_str` routed every non-`xPath` argument — including raw strings — through `xPath(str(path))`, which inherits from `pathlib.PurePosixPath`. PurePosixPath collapses runs of slashes:
```python
>>> str(PurePosixPath("hdfs:///user/path/data.parquet"))
'hdfs:/user/path/data.parquet'
```
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## Summary
Most feature types expose a descriptive `dtype` string:
- `Value("int64").dtype == "int64"`
- `ClassLabel(...).dtype == "int64"`
- `Array2D(...).dtype == "<element-dtype>"`
- `Image().dtype == "PIL.Image.Image"`
- `Audio().dtype == "dict"`
But `List`, `LargeList` and `Sequence(non-dict... | value:https://api.github.com/repos/huggingface/datasets/issues/8183/comments | value:PR_kwDODunzps7Z-JW_ | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8183", "html_url": "https://github.com/huggingface/datasets/pull/8183", "diff_url": "https://github.com/huggingface/datasets/pull/8183.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8183.patch", "merged_at": null} | value:2026-05-10T08:53:40Z | value:https://api.github.com/repos/huggingface/datasets/issues/8183/labels{/name} | value:8183 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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## Summary
`Dataset.map` crashed with `AttributeError: 'NoneType' object has no attribute 'write'` when the user's map function returned `None` for the first few examples and a `dict` (or `pa.Table` / DataFrame) for later ones.
The writer was initialized only when `i == 0` (or `i[0] == 0` in batch... | value:https://api.github.com/repos/huggingface/datasets/issues/8182/comments | value:PR_kwDODunzps7Z-GeG | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8182", "html_url": "https://github.com/huggingface/datasets/pull/8182", "diff_url": "https://github.com/huggingface/datasets/pull/8182.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8182.patch", "merged_at": null} | value:2026-05-10T08:46:55Z | value:https://api.github.com/repos/huggingface/datasets/issues/8182/labels{/name} | value:8182 | json:{"login": "jbbqqf", "id": 8479617, "node_id": "MDQ6VXNlcjg0Nzk2MTc=", "avatar_url": "https://avatars.githubusercontent.com/u/8479617?v=4", "gravatar_id": "", "url": "https://api.github.com/users/jbbqqf", "html_url": "https://github.com/jbbqqf", "followers_url": "https://api.github.com/users/jbbqqf/followers", "fol... | value:False | true | |||||||||||
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The full dataset viewer is not available (click to read why). Only showing a preview of the rows.
Job manager crashed while running this job (missing heartbeats).
Error code: JobManagerCrashedError
see: https://huggingface.co/datasets/Genius-Society/tt100k/viewer
### Steps to reproduce t... | value:https://api.github.com/repos/huggingface/datasets/issues/8178/comments | value:I_kwDODunzps8AAAABBhmhxw | value:open | value:3 | value:2026-05-31T00:09:38Z | value:https://api.github.com/repos/huggingface/datasets/issues/8178/labels{/name} | value:8178 | json:{"login": "kakamond", "id": 73682340, "node_id": "MDQ6VXNlcjczNjgyMzQw", "avatar_url": "https://avatars.githubusercontent.com/u/73682340?v=4", "gravatar_id": "", "url": "https://api.github.com/users/kakamond", "html_url": "https://github.com/kakamond", "followers_url": "https://api.github.com/users/kakamond/follow... | true | |||||||||||
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Verification:
- See the uploaded nightly artifacts for the Codex final report.
- See this workflow run for exact commands and logs.
This PR is generated by xodn348/oss-nightly-control and is opened ready for maintainer... | value:https://api.github.com/repos/huggingface/datasets/issues/8177/comments | value:PR_kwDODunzps7ZDxl2 | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8177", "html_url": "https://github.com/huggingface/datasets/pull/8177", "diff_url": "https://github.com/huggingface/datasets/pull/8177.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8177.patch", "merged_at": null} | value:2026-06-11T15:24:23Z | value:https://api.github.com/repos/huggingface/datasets/issues/8177/labels{/name} | value:8177 | json:{"login": "xodn348", "id": 58055473, "node_id": "MDQ6VXNlcjU4MDU1NDcz", "avatar_url": "https://avatars.githubusercontent.com/u/58055473?v=4", "gravatar_id": "", "url": "https://api.github.com/users/xodn348", "html_url": "https://github.com/xodn348", "followers_url": "https://api.github.com/users/xodn348/followers"... | value:False | true | |||||||||
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fix https://github.com/huggingface/datasets/issues/8169
fix https://github.com/huggingface/datasets/issues/7467 | value:https://api.github.com/repos/huggingface/datasets/issues/8176/comments | value:PR_kwDODunzps7Yz3YC | value:closed | value:1 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8176", "html_url": "https://github.com/huggingface/datasets/pull/8176", "diff_url": "https://github.com/huggingface/datasets/pull/8176.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8176.patch", "merged_at": "2026-05-06T16:06:06Z"} | value:2026-05-06T16:06:09Z | value:https://api.github.com/repos/huggingface/datasets/issues/8176/labels{/name} | value:8176 | 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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Adds a new `on_error` parameter that controls how decoding failures are handled. This addresses the long-standing problem where a single corrupted sample in a streaming dataset (bad EXIF, truncated bytes, unidentified format, ...) raises an exception inside the generator frame and silently kills th... | value:https://api.github.com/repos/huggingface/datasets/issues/8174/comments | value:PR_kwDODunzps7YrDH3 | value:open | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8174", "html_url": "https://github.com/huggingface/datasets/pull/8174", "diff_url": "https://github.com/huggingface/datasets/pull/8174.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8174.patch", "merged_at": null} | value:2026-05-07T08:51:37Z | value:https://api.github.com/repos/huggingface/datasets/issues/8174/labels{/name} | value:8174 | json:{"login": "LIUYellowBlack", "id": 130659956, "node_id": "U_kgDOB8m2dA", "avatar_url": "https://avatars.githubusercontent.com/u/130659956?v=4", "gravatar_id": "", "url": "https://api.github.com/users/LIUYellowBlack", "html_url": "https://github.com/LIUYellowBlack", "followers_url": "https://api.github.com/users/LIU... | value:False | true | |||||||||||
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When an `IterableDataset` contains images with corrupted EXIF metadata (e.g. a TIFF rational tag whose denominator is zero), `PIL.ImageOps.exif_transpose` raises `ZeroDivisionError` inside `Image.decode_example`. Because this exception escapes the internal generator frame, the streaming iterator dies ... | value:https://api.github.com/repos/huggingface/datasets/issues/8173/comments | value:PR_kwDODunzps7YRX72 | value:closed | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8173", "html_url": "https://github.com/huggingface/datasets/pull/8173", "diff_url": "https://github.com/huggingface/datasets/pull/8173.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8173.patch", "merged_at": null} | value:2026-06-11T15:24:23Z | value:https://api.github.com/repos/huggingface/datasets/issues/8173/labels{/name} | value:8173 | json:{"login": "xodn348", "id": 58055473, "node_id": "MDQ6VXNlcjU4MDU1NDcz", "avatar_url": "https://avatars.githubusercontent.com/u/58055473?v=4", "gravatar_id": "", "url": "https://api.github.com/users/xodn348", "html_url": "https://github.com/xodn348", "followers_url": "https://api.github.com/users/xodn348/followers"... | value:False | true | |||||||||
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example of usage:
```python
from datasets import Dataset
ds = Dataset.from_dict({"episode": [0] * 10 + [1] * 10, "frame": list(range(10)) * 2})
# ds = ds.to_iterable_dataset()
ds = ds.batch(by_column="episode")
for x in ds:
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## What I did
I tried to avoid `torchcodec` because I want to keep the packages small using the following code:
```python
import io
import os
import shutil
import tempfile
from pathlib import Pat... | value:https://api.github.com/repos/huggingface/datasets/issues/8171/comments | value:I_kwDODunzps8AAAABBOHifA | value:closed | value:4 | value:2026-05-20T10:46:58Z | value:https://api.github.com/repos/huggingface/datasets/issues/8171/labels{/name} | value:8171 | json:{"login": "MNIKIEMA", "id": 64019294, "node_id": "MDQ6VXNlcjY0MDE5Mjk0", "avatar_url": "https://avatars.githubusercontent.com/u/64019294?v=4", "gravatar_id": "", "url": "https://api.github.com/users/MNIKIEMA", "html_url": "https://github.com/MNIKIEMA", "followers_url": "https://api.github.com/users/MNIKIEMA/follow... | true | ||||||||
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When `load_from_cache_file=False`, the progress bar in `Dataset.map()` displayed a count that exceeded the dataset size (e.g. "800 examples" for a 400-row dataset).
The bug: `pbar_initial` was computed using `len(existing_cache_files)`, which counts cache files on disk regardless of whether they... | value:https://api.github.com/repos/huggingface/datasets/issues/8170/comments | value:PR_kwDODunzps7XySvZ | value:closed | value:5 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8170", "html_url": "https://github.com/huggingface/datasets/pull/8170", "diff_url": "https://github.com/huggingface/datasets/pull/8170.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8170.patch", "merged_at": "2026-05-29T10:59:06Z"} | value:2026-05-29T10:59:11Z | value:https://api.github.com/repos/huggingface/datasets/issues/8170/labels{/name} | value:8170 | json:{"login": "Nitin-Rajasekar", "id": 71319370, "node_id": "MDQ6VXNlcjcxMzE5Mzcw", "avatar_url": "https://avatars.githubusercontent.com/u/71319370?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Nitin-Rajasekar", "html_url": "https://github.com/Nitin-Rajasekar", "followers_url": "https://api.github.com/... | value:False | true | |||||||||
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When loading a dataset with `streaming=True`, some background process prevents the script from ever returning (or at least for a very long time).
This did not happen with `huggingface-hub < 1`.
### Steps to reproduce the bug
from datasets import load_dataset
ds = load_dataset("IRIIS-RESE... | value:https://api.github.com/repos/huggingface/datasets/issues/8169/comments | value:I_kwDODunzps8AAAABBEPO0g | value:closed | value:2 | value:2026-05-06T16:07:04Z | value:https://api.github.com/repos/huggingface/datasets/issues/8169/labels{/name} | value:8169 | json:{"login": "michaelpginn", "id": 7244206, "node_id": "MDQ6VXNlcjcyNDQyMDY=", "avatar_url": "https://avatars.githubusercontent.com/u/7244206?v=4", "gravatar_id": "", "url": "https://api.github.com/users/michaelpginn", "html_url": "https://github.com/michaelpginn", "followers_url": "https://api.github.com/users/micha... | true | ||||||||
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When `Dataset.map()` or `Dataset.filter()` receives a closure that closes over an object containing non-deterministic state — for example a UUID, a random seed, or any mutable attribute of a class instance — `dill` serialises the **entire** captured object into the fingerprint. Two calls that are log... | value:https://api.github.com/repos/huggingface/datasets/issues/8168/comments | value:PR_kwDODunzps7XYxf3 | value:closed | value:2 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8168", "html_url": "https://github.com/huggingface/datasets/pull/8168", "diff_url": "https://github.com/huggingface/datasets/pull/8168.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8168.patch", "merged_at": null} | value:2026-06-11T15:24:22Z | value:https://api.github.com/repos/huggingface/datasets/issues/8168/labels{/name} | value:8168 | json:{"login": "xodn348", "id": 58055473, "node_id": "MDQ6VXNlcjU4MDU1NDcz", "avatar_url": "https://avatars.githubusercontent.com/u/58055473?v=4", "gravatar_id": "", "url": "https://api.github.com/users/xodn348", "html_url": "https://github.com/xodn348", "followers_url": "https://api.github.com/users/xodn348/followers"... | value:False | true | |||||||||
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datasets 4.8.5
```python
from datasets import load_dataset, load_from_disk
data = load_from_disk('pretrain_cached_dataset/train')
def dummy_map(example):
return example
dataset = data.map(dummy_map)
dataset = data.map(dummy_map, load_from_cache_file=Tr... | value:https://api.github.com/repos/huggingface/datasets/issues/8167/comments | value:I_kwDODunzps8AAAABA62Vtw | value:closed | value:6 | value:2026-05-29T10:59:07Z | value:https://api.github.com/repos/huggingface/datasets/issues/8167/labels{/name} | value:8167 | json:{"login": "Jintao-Huang", "id": 45290347, "node_id": "MDQ6VXNlcjQ1MjkwMzQ3", "avatar_url": "https://avatars.githubusercontent.com/u/45290347?v=4", "gravatar_id": "", "url": "https://api.github.com/users/Jintao-Huang", "html_url": "https://github.com/Jintao-Huang", "followers_url": "https://api.github.com/users/Jin... | true | ||||||||
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When iterating over a streaming `IterableDataset` that contains images with corrupted EXIF metadata (e.g., a TIFF rational tag with denominator=0), PIL raises `ZeroDivisionError` inside `exif_transpose`. This exception propagates through the HuggingFace `datasets` pipeline and **terminates the streami... | value:https://api.github.com/repos/huggingface/datasets/issues/8165/comments | value:I_kwDODunzps8AAAABA5ItqQ | value:open | value:5 | value:2026-07-13T15:57:08Z | value:https://api.github.com/repos/huggingface/datasets/issues/8165/labels{/name} | value:8165 | json:{"login": "LIUYellowBlack", "id": 130659956, "node_id": "U_kgDOB8m2dA", "avatar_url": "https://avatars.githubusercontent.com/u/130659956?v=4", "gravatar_id": "", "url": "https://api.github.com/users/LIUYellowBlack", "html_url": "https://github.com/LIUYellowBlack", "followers_url": "https://api.github.com/users/LIU... | true | |||||||||||
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When `Lance._split_generators` receives `hf://` URIs - i.e. anywhere a `StreamingDownloadManager` is in play (`load_dataset(..., streaming=True)`, `get_dataset_split_names`, and the dataset-viewer worker) - the HF auth token is silently dropped before reaching `lance.dataset(...)`. Lance the... | value:https://api.github.com/repos/huggingface/datasets/issues/8164/comments | value:I_kwDODunzps8AAAABA5FcPQ | value:closed | value:2 | value:2026-04-30T15:38:43Z | value:https://api.github.com/repos/huggingface/datasets/issues/8164/labels{/name} | value:8164 | json:{"login": "ericjaebeom", "id": 163660487, "node_id": "U_kgDOCcFCxw", "avatar_url": "https://avatars.githubusercontent.com/u/163660487?v=4", "gravatar_id": "", "url": "https://api.github.com/users/ericjaebeom", "html_url": "https://github.com/ericjaebeom", "followers_url": "https://api.github.com/users/ericjaebeom/... | true | ||||||||
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- extract `prompt` / `sent_at` from the first real user message for Claude Code, Pi/OpenClaw, and Codex traces.
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## What's wrong
The sdist on PyPI for `datasets==4.8.5` only ships **37 of the 95** files under `tests/`. Without an explicit `MANIFEST.in`, setuptools' default sdist behavior includes only top-level `tests/test_*.py` files and drops everything else.
Files missing from the current sdist:
- `tests... | value:https://api.github.com/repos/huggingface/datasets/issues/8162/comments | value:PR_kwDODunzps7W2QFE | value:open | value:0 | json:{"url": "https://api.github.com/repos/huggingface/datasets/pulls/8162", "html_url": "https://github.com/huggingface/datasets/pull/8162", "diff_url": "https://github.com/huggingface/datasets/pull/8162.diff", "patch_url": "https://github.com/huggingface/datasets/pull/8162.patch", "merged_at": null} | value:2026-04-29T19:29:32Z | value:https://api.github.com/repos/huggingface/datasets/issues/8162/labels{/name} | value:8162 | json:{"login": "VladimirGutuev", "id": 203542588, "node_id": "U_kgDODCHQPA", "avatar_url": "https://avatars.githubusercontent.com/u/203542588?v=4", "gravatar_id": "", "url": "https://api.github.com/users/VladimirGutuev", "html_url": "https://github.com/VladimirGutuev", "followers_url": "https://api.github.com/users/Vla... | value:False | true |
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