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https://api.github.com/repos/huggingface/datasets/issues/7681
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7,681
Probabilistic High Memory Usage and Freeze on Python 3.10
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### Describe the bug A probabilistic issue encountered when processing datasets containing PIL.Image columns using the huggingface/datasets library on Python 3.10. The process occasionally experiences a sudden and significant memory spike, reaching 100% utilization, leading to a complete freeze. During this freeze, th...
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Question about iterable dataset and streaming
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In the doc, I found the following example: https://github.com/huggingface/datasets/blob/611f5a592359ebac6f858f515c776aa7d99838b2/docs/source/stream.mdx?plain=1#L65-L78 I am confused, 1. If we have already loaded the dataset, why doing `to_iterable_dataset`? Does it go through the dataset faster than map-style datase...
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metric glue breaks with 4.0.0
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### Describe the bug worked fine with 3.6.0, and with 4.0.0 `eval_metric = metric.compute()` in HF Accelerate breaks. The code that fails is: https://huggingface.co/spaces/evaluate-metric/glue/blob/v0.4.0/glue.py#L84 ``` def simple_accuracy(preds, labels): print(preds, labels) print(f"{preds==labels}") r...
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7,678
To support decoding audio data, please install 'torchcodec'.
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In the latest version of datasets==4.0.0, i cannot print the audio data on the Colab notebook. But it works on the 3.6.0 version. !pip install -q -U datasets huggingface_hub fsspec from datasets import load_dataset downloaded_dataset = load_dataset("ymoslem/MediaSpeech", "tr", split="train") print(downloaded_datase...
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Toxicity fails with datasets 4.0.0
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### Describe the bug With the latest 4.0.0 release, huggingface toxicity evaluation module fails with error: `ValueError: text input must be of type `str` (single example), `List[str]` (batch or single pretokenized example) or `List[List[str]]` (batch of pretokenized examples).` ### Steps to reproduce the bug Repro:...
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Many things broken since the new 4.0.0 release
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### Describe the bug The new changes in 4.0.0 are breaking many datasets, including those from lm-evaluation-harness. I am trying to revert back to older versions, like 3.6.0 to make the eval work but I keep getting: ``` Python File /venv/main/lib/python3.12/site-packages/datasets/features/features.py:1474, in genera...
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common_voice_11_0.py failure in dataset library
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### Describe the bug I tried to download dataset but have got this error: from datasets import load_dataset load_dataset("mozilla-foundation/common_voice_11_0", "en", split="test", streaming=True) --------------------------------------------------------------------------- RuntimeError Tr...
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set dev version
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Release: 4.0.0
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Fix double sequence
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```python >>> Features({"a": Sequence(Sequence({"c": Value("int64")}))}) {'a': List({'c': List(Value('int64'))})} ``` instead of `{'a': {'c': List(List(Value('int64')))}}`
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Mapping function not working if the first example is returned as None
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### Describe the bug https://github.com/huggingface/datasets/blob/8a19de052e3d79f79cea26821454bbcf0e9dcd68/src/datasets/arrow_dataset.py#L3652C29-L3652C37 Here we can see the writer is initialized on `i==0`. However, there can be cases where in the user mapping function, the first example is filtered out (length cons...
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7,670
Fix audio bytes
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7,669
How can I add my custom data to huggingface datasets
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I want to add my custom dataset in huggingface dataset. Please guide me how to achieve that.
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Broken EXIF crash the whole program
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### Describe the bug When parsing this image in the ImageNet1K dataset, the `datasets` crashs whole training process just because unable to parse an invalid EXIF tag. ![Image](https://github.com/user-attachments/assets/3c840203-ac8c-41a0-9cf7-45f64488037d) ### Steps to reproduce the bug Use the `datasets.Image.decod...
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7,667
Fix infer list of images
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cc @kashif
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Backward compat list feature
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cc @kashif
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Function load_dataset() misinterprets string field content as part of dataset schema when dealing with `.jsonl` files
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### Describe the bug When loading a `.jsonl` file using `load_dataset("json", data_files="data.jsonl", split="train")`, the function misinterprets the content of a string field as if it were part of the dataset schema. In my case there is a field `body:` with a string value ``` "### Describe the bug (...) ,action:...
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Function load_dataset() misinterprets string field content as part of dataset schema when dealing with `.jsonl` files
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### Describe the bug When loading a `.jsonl` file using `load_dataset("json", data_files="data.jsonl", split="train")`, the function misinterprets the content of a string field as if it were part of the dataset schema. In my case there is a field `body:` with a string value ``` "### Describe the bug (...) ,action:...
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Custom metadata filenames
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example: https://huggingface.co/datasets/lhoestq/overlapping-subsets-imagefolder/tree/main To make multiple subsets for an imagefolder (one metadata file per subset), e.g. ```yaml configs: - config_name: default metadata_filenames: - metadata.csv - config_name: other metadata_filenames: ...
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Applying map after transform with multiprocessing will cause OOM
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### Describe the bug I have a 30TB dataset. When I perform add_column and cast_column operations on it and then execute a multiprocessing map, it results in an OOM (Out of Memory) error. However, if I skip the add_column and cast_column steps and directly run the map, there is no OOM. After debugging step by step, I f...
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fix del tqdm lock error
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2025-07-01T02:04:02Z
2025-07-08T01:38:46Z
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fixes https://github.com/huggingface/datasets/issues/7660
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AttributeError: type object 'tqdm' has no attribute '_lock'
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### Describe the bug `AttributeError: type object 'tqdm' has no attribute '_lock'` It occurs when I'm trying to load datasets in thread pool. Issue https://github.com/huggingface/datasets/issues/6066 and PR https://github.com/huggingface/datasets/pull/6067 https://github.com/huggingface/datasets/pull/6068 tried to f...
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7,659
Update the beans dataset link in Preprocess
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2025-06-30T09:58:44Z
2025-07-07T08:38:19Z
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In the Preprocess tutorial, the to "the beans dataset" is incorrect. Fixed.
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Fix: Prevent loss of info.features and column_names in IterableDatasetDict.map when features is None
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2025-06-30T09:31:12Z
2025-07-01T16:26:30Z
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This PR fixes a bug where calling `IterableDatasetDict.map()` or `IterableDataset.map()` with the default `features=None` argument would overwrite the existing `info.features` attribute with `None`. This, in turn, caused the resulting dataset to lose its schema, breaking downstream usage of attributes like `column_name...
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feat: add subset_name as alias for name in load_dataset
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2025-06-29T10:39:00Z
2025-06-29T10:55:11Z
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fixes #7637 This PR introduces subset_name as a user-facing alias for the name (previously `config_name`) argument in load_dataset. It aligns terminology with the Hugging Face Hub UI (which shows “Subset”), reducing confusion for new users. Supports `subset_name` in `load_dataset()` Adds `.subset_name` propert...
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fix(iterable): ensure MappedExamplesIterable supports state_dict for resume
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Fixes #7630 ### Problem When calling `.map()` on an `IterableDataset`, resuming from a checkpoint skips a large number of samples. This is because `MappedExamplesIterable` did not implement `state_dict()` or `load_state_dict()`, so checkpointing was not properly delegated to the underlying iterable. ### What Thi...
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7,655
Added specific use cases in Improve Performace
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2025-06-28T19:00:32Z
2025-06-28T19:00:32Z
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Fixes #2494
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fix(load): strip deprecated use_auth_token from config_kwargs
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2025-06-28T09:20:21Z
2025-06-28T09:20:21Z
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Fixes #7504 This PR resolves a compatibility error when loading datasets via `load_dataset()` using outdated arguments like `use_auth_token`. **What was happening:** Users passing `use_auth_token` in `load_dataset(..., use_auth_token=...)` encountered a `ValueError`: BuilderConfig ParquetConfig(...) doesn't have...
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feat(load): fallback to `load_from_disk()` when loading a saved dataset directory
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2025-06-28T08:47:36Z
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### Related Issue Fixes #7503 Partially addresses #5044 by allowing `load_dataset()` to auto-detect and gracefully delegate to `load_from_disk()` for locally saved datasets. --- ### What does this PR do? This PR introduces a minimal fallback mechanism in `load_dataset()` that detects when the provided `p...
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Add columns support to JSON loader for selective key filtering
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2025-06-27T16:18:42Z
2025-07-03T09:52:48Z
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Fixes #7594 This PR adds support for filtering specific columns when loading datasets from .json or .jsonl files — similar to how the columns=... argument works for Parquet. As suggested, support for the `columns=...` argument (previously available for Parquet) has now been extended to **JSON and JSONL** loading v...
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fix: Extended metadata file names for folder_based_builder
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2025-06-27T13:12:11Z
2025-06-30T08:19:37Z
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Fixes #7650. The metadata files generated by the `DatasetDict.save_to_file` function are not included in the folder_based_builder's metadata list, causing issues when only 1 actual data file is present, as described in issue #7650. This PR adds these filenames to the builder, allowing correct loading.
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`load_dataset` defaults to json file format for datasets with 1 shard
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### Describe the bug I currently have multiple datasets (train+validation) saved as 50MB shards. For one dataset the validation pair is small enough to fit into a single shard and this apparently causes problems when loading the dataset. I created the datasets using a DatasetDict, saved them as 50MB arrow files for st...
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Enable parallel shard upload in push_to_hub() using num_proc
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2025-06-27T05:59:03Z
2025-07-07T18:13:53Z
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CONTRIBUTOR
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Fixes #7591 ### Add num_proc support to `push_to_hub()` for parallel shard upload This PR adds support for parallel upload of dataset shards via the `num_proc` argument in `Dataset.push_to_hub()`. 📌 While the `num_proc` parameter was already present in the `push_to_hub()` signature and correctly passed to `_p...
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Fix misleading add_column() usage example in docstring
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Fixes #7611 This PR fixes the usage example in the Dataset.add_column() docstring, which previously implied that add_column() modifies the dataset in-place. Why: The method returns a new dataset with the additional column, and users must assign the result to a variable to preserve the change. This should make...
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loading mozilla-foundation--common_voice_11_0 fails
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### Describe the bug Hello everyone, i am trying to load `mozilla-foundation--common_voice_11_0` and it fails. Reproducer ``` import datasets datasets.load_dataset("mozilla-foundation/common_voice_11_0", "en", split="test", streaming=True, trust_remote_code=True) ``` and it fails with ``` File ~/opt/envs/.../lib/py...
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Introduces automatic subset-level grouping for folder-based dataset builders #7066
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2025-06-26T07:01:37Z
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Fixes #7066 This PR introduces automatic **subset-level grouping** for folder-based dataset builders by: 1. Adding a utility function `group_files_by_subset()` that clusters files by root name (ignoring digits and shard suffixes). 2. Integrating this logic into `FolderBasedBuilder._split_generators()` to yield one...
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`ClassLabel` docs: Correct value for unknown labels
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2025-06-25T20:01:35Z
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This small change fixes the documentation to to be compliant with what happens in `encode_example`. https://github.com/huggingface/datasets/blob/e71b0b19d79c7531f9b9bea7c09916b5f6157f42/src/datasets/features/features.py#L1126-L1129
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fix sequence ci
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2025-06-25T17:07:55Z
2025-06-25T17:10:30Z
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fix error from https://github.com/huggingface/datasets/pull/7643
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Backward compat sequence instance
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2025-06-25T17:05:09Z
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useful to still get `isinstance(Sequence(Value("int64")), Sequence)`for downstream libs like evaluate
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update docs and docstrings
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better features repr
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following the addition of List in #7634 before: ```python In [3]: ds.features Out[3]: {'json': {'id': Value(dtype='string', id=None), 'metadata:transcript': [{'end': Value(dtype='float64', id=None), 'start': Value(dtype='float64', id=None), 'transcript': Value(dtype='string', id=None), 'wor...
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fix save_infos
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Add ignore_decode_errors option to Image feature for robust decoding #7612
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2025-06-24T16:47:51Z
2025-07-04T07:07:30Z
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CONTRIBUTOR
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This PR implements support for robust image decoding in the `Image` feature, as discussed in issue #7612. ## 🔧 What was added - A new boolean field: `ignore_decode_errors` (default: `False`) - If set to `True`, any exceptions during decoding will be caught, and `None` will be returned instead of raising an error ...
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Introduce subset_name as an alias of config_name
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2025-06-24T12:49:01Z
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### Feature request Add support for `subset_name` as an alias for `config_name` in the datasets library and related tools (such as loading scripts, documentation, and metadata). ### Motivation The Hugging Face Hub dataset viewer displays a column named **"Subset"**, which refers to what is currently technically call...
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"open" in globals()["__builtins__"], an error occurs: "TypeError: argument of type 'module' is not iterable"
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When I run the following code, an error occurs: "TypeError: argument of type 'module' is not iterable" ```python print("open" in globals()["__builtins__"]) ``` Traceback (most recent call last): File "./main.py", line 2, in <module> print("open" in globals()["__builtins__"]) ^^^^^^^^^^^^^^^^^^^^^^ TypeE...
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https://api.github.com/repos/huggingface/datasets/issues/7635
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Fix: Preserve float columns in JSON loader when values are integer-like (e.g. 0.0, 1.0)
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2025-06-24T06:16:48Z
2025-06-24T06:16:48Z
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CONTRIBUTOR
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This PR fixes a bug in the JSON loader where columns containing float values like `[0.0, 1.0, 2.0]` were being implicitly coerced to `int`, due to pandas or Arrow type inference. This caused issues downstream in statistics computation (e.g., dataset-viewer) where such columns were incorrectly labeled as `"int"` inst...
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Replace Sequence by List
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2025-06-23T20:35:48Z
2025-06-25T13:59:13Z
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Sequence is just a utility that we need to keep for backward compatibility. And `[ ]` was used instead but doesn't allow passing the length of the list. This PR removes most mentions of Sequence and usage of `[ ]` and defines a proper List type instead. before: `Sequence(Value("int64"))` or `[Value("int64")]` no...
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Proposal: Small Tamil Discourse Coherence Dataset.
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2025-06-23T14:24:40Z
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I’m a beginner from NIT Srinagar proposing a dataset of 50 Tamil text pairs for discourse coherence (coherent/incoherent labels) to support NLP research in low-resource languages. - Size: 50 samples - Format: CSV with columns (text1, text2, label) - Use case: Training NLP models for coherence I’ll use GitHub’s web edit...
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Graceful Error Handling for cast_column("image", Image(decode=True)) in Hugging Face Datasets
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2025-06-23T13:49:24Z
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### Feature request Currently, when using dataset.cast_column("image", Image(decode=True)), the pipeline throws an error and halts if any image in the dataset is invalid or corrupted (e.g., truncated files, incorrect formats, unreachable URLs). This behavior disrupts large-scale processing where a few faulty samples a...
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https://api.github.com/repos/huggingface/datasets/issues/7631
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Pass user-agent from DownloadConfig into fsspec storage_options
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2025-06-21T14:22:25Z
2025-06-21T14:25:28Z
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CONTRIBUTOR
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Fixes part of issue #6046 ### Problem The `user-agent` defined in `DownloadConfig` was not passed down to fsspec-based filesystems like `HfFileSystem`, which prevents proper identification/tracking of client requests. ### Solution Added support for injecting the `user-agent` into `storage_options["headers"]` wi...
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[bug] resume from ckpt skips samples if .map is applied
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### Describe the bug resume from ckpt skips samples if .map is applied Maybe related: https://github.com/huggingface/datasets/issues/7538 ### Steps to reproduce the bug ```python from datasets import Dataset from datasets.distributed import split_dataset_by_node # Create dataset with map transformation def create...
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https://api.github.com/repos/huggingface/datasets/issues/7629
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Add test for `as_iterable_dataset()` method in DatasetBuilder
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2025-06-19T19:23:55Z
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CONTRIBUTOR
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This PR adds a test for the new `as_iterable_dataset()` method introduced in PR #7628. The test: - Loads a builder using `load_dataset_builder("c4", "en")` - Runs `download_and_prepare()` - Streams examples using `builder.as_iterable_dataset(split="train[:100]")` - Verifies streamed examples contain the "text" f...
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Add `as_iterable_dataset()` method to DatasetBuilder for streaming from cached Arrow files
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2025-06-19T19:15:41Z
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CONTRIBUTOR
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This PR implements `builder.as_iterable_dataset(split=...)` as discussed in #5481. It allows users to load an `IterableDataset` directly from cached Arrow files (using ArrowReader and ArrowExamplesIterable), without loading the full dataset into memory. This is useful for large-scale training scenarios where memo...
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Creating a HF Dataset from lakeFS with S3 storage takes too much time!
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2025-06-19T14:28:41Z
2025-06-23T12:39:10Z
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Hi, I’m new to HF dataset and I tried to create datasets based on data versioned in **lakeFS** _(**MinIO** S3 bucket as storage backend)_ Here I’m using ±30000 PIL image from MNIST data however it is taking around 12min to execute, which is a lot! From what I understand, it is loading the images into cache then buil...
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PR_kwDODunzps6bNMuF
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feat(map): reuse unchanged columns when input_columns specified to reduce disk usage (#6013)
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2025-06-19T07:41:45Z
2025-06-26T06:43:16Z
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CONTRIBUTOR
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## Summary This PR addresses [#6013](https://github.com/huggingface/datasets/issues/6013) by reusing unchanged columns from the original dataset in the `map()` method when `input_columns` is specified. ## What’s Implemented - Injected logic at the end of `Dataset.map()` to: - Identify untouched columns not ...
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feat: Add h5folder dataset loader for HDF5 support
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2025-06-26T05:44:26Z
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### Related Issue Closes #3113 ### What does this PR do? This PR introduces a new dataset loader module called **`h5folder`** to support loading datasets stored in **HDF5 (.h5)** format. It allows users to do: ```python from datasets import load_dataset dataset = load_dataset("h5folder", data_dir="path/t...
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#Dataset Make "image" column appear first in dataset preview UI
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2025-06-20T07:46:43Z
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Hi! #Dataset I’m currently uploading a dataset that includes an `"image"` column (PNG files), along with some metadata columns. The dataset is loaded from a .jsonl file. My goal is to have the "image" column appear as the first column in the dataset card preview UI on the :hugs: Hub. However, at the moment, the `"im...
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fix: raise error in FolderBasedBuilder when data_dir and data_files are missing
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2025-06-17T19:16:34Z
2025-06-18T14:18:41Z
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CONTRIBUTOR
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### Related Issues/PRs Fixes #6152 --- ### What changes are proposed in this pull request? This PR adds a dedicated validation check in the `_info()` method of the `FolderBasedBuilder` class to ensure that users provide either `data_dir` or `data_files` when loading folder-based datasets (such as `audiofold...
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Guard against duplicate builder_kwargs/config_kwargs in load_dataset_…
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2025-07-02T12:39:20Z
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…builder (#4910 ) ### What does this PR do? Fixes edge case in `load_dataset_builder` by raising a `TypeError` if the same key exists in both `builder_kwargs` and `config_kwargs`. ### Implementation details - Added a guard clause in `load_dataset_builder` to detect duplicate keys between `builder_kwargs` an...
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before release 4.0 (I also did minor improvements to `features` to not show their `id=None` in their `__repr__()`)
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`from_list` fails while `from_generator` works for large datasets
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2025-06-29T16:34:44Z
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### Describe the bug I am constructing a large time series dataset and observed that first constructing a list of entries and then using `Dataset.from_list` led to a crash as the number of items became large. However, this is not a problem when using `Dataset.from_generator`. ### Steps to reproduce the bug #### Snip...
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2025-06-16T07:43:59Z
2025-06-16T12:13:26Z
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CONTRIBUTOR
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### Related Issues/PRs <!-- Uncomment 'Resolve' if this PR can close the linked items. --> <!-- Resolve --> #6152 --- ### What changes are proposed in this pull request? This PR adds an early validation step for folder-based datasets (like `audiofolder`) to prevent silent fallback behavior. **Before t...
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Unwanted column padding in nested lists of dicts
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```python from datasets import Dataset dataset = Dataset.from_dict({ "messages": [ [ {"a": "...",}, {"b": "...",}, ], ] }) print(dataset[0]) ``` What I get: ``` {'messages': [{'a': '...', 'b': None}, {'a': None, 'b': '...'}]} ``` What I want: ``` {'messages': [{'a': '...
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2025-06-19T18:25:49Z
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Closes #7607 ## New signatures ### Audio ```python Audio(sampling_rate: Optional[int] = None, mono: bool = True, decode: bool = True, stream_index: Optional[int] = None) Audio.encode_example(self, value: Union[str, bytes, bytearray, dict, "AudioDecoder"]) -> dict Audio.decode_example(self, value: dict, token_...
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7,614
Lazy column
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2025-06-13T12:12:57Z
2025-06-17T13:08:51Z
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Same as https://github.com/huggingface/datasets/pull/7564 but for `Dataset`, cc @TopCoder2K FYI e.g. `ds[col]` now returns a lazy Column instead of a list This way calling `ds[col][idx]` only loads the required data in memory (bonus: also supports subfields access with `ds[col][subcol][idx]`) the breaking c...
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7,613
fix parallel push_to_hub in dataset_dict
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7,612
Provide an option of robust dataset iterator with error handling
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### Feature request Adding an option to skip corrupted data samples. Currently the datasets behavior is throwing errors if the data sample if corrupted and let user aware and handle the data corruption. When I tried to try-catch the error at user level, the iterator will raise StopIteration when I called next() again....
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7,611
Code example for dataset.add_column() does not reflect correct way to use function
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https://github.com/huggingface/datasets/blame/38d4d0e11e22fdbc4acf373d2421d25abeb43439/src/datasets/arrow_dataset.py#L5925C10-L5925C10 The example seems to suggest that dataset.add_column() can add column inplace, however, this is wrong -- it cannot. It returns a new dataset with the column added to it.
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i cant confirm email
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### Describe the bug This is dificult, I cant confirm email because I'm not get any email! I cant post forum because I cant confirm email! I can send help desk because... no exist on web page. paragraph 44 ### Steps to reproduce the bug rthjrtrt ### Expected behavior ewtgfwetgf ### Environment info sdgfswdegfwe
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Update `_dill.py` to use `co_linetable` for Python 3.10+ in place of `co_lnotab`
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Not 100% about this one, but it seems to be recommended. ``` /fsx/qgallouedec/miniconda3/envs/trl/lib/python3.12/site-packages/datasets/utils/_dill.py:385: DeprecationWarning: co_lnotab is deprecated, use co_lines instead. ``` Tests pass locally. And the warning is gone with this change. https://peps.python.or...
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Tests typing and fixes for push_to_hub
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todo: - [x] fix TestPushToHub.test_push_dataset_dict_to_hub_iterable_num_proc
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Video and audio decoding with torchcodec
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2025-06-11T07:02:30Z
2025-06-19T18:25:49Z
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CONTRIBUTOR
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### Feature request Pytorch is migrating video processing to torchcodec and it's pretty cool. It would be nice to migrate both the audio and video features to use torchcodec instead of torchaudio/video. ### Motivation My use case is I'm working on a multimodal AV model, and what's nice about torchcodec is I can extr...
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Add `num_proc=` to `.push_to_hub()` (Dataset and IterableDataset)
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Make `push_to_hub` atomic (#7600)
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Docs and more methods for IterableDataset: push_to_hub, to_parquet...
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to_csv, to_json, to_sql, to_pandas, to_polars, to_dict, to_list
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No TF in win tests
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Enhance error handling and input validation across multiple modules
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This PR improves the robustness and user experience by: 1. **Audio Module**: - Added clear error messages when required fields ('path' or 'bytes') are missing in audio encoding 2. **DatasetDict**: - Enhanced key access error messages to show available splits when an invalid key is accessed 3. **NonMuta...
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`push_to_hub` is not concurrency safe (dataset schema corruption)
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2025-06-23T19:36:37Z
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### Describe the bug Concurrent processes modifying and pushing a dataset can overwrite each others' dataset card, leaving the dataset unusable. Consider this scenario: - we have an Arrow dataset - there are `N` configs of the dataset - there are `N` independent processes operating on each of the individual configs (...
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My already working dataset (when uploaded few months ago) now is ignoring metadata.jsonl
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2025-06-16T15:18:00Z
2025-06-16T15:18:00Z
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### Describe the bug Hi everyone, I uploaded my dataset https://huggingface.co/datasets/PRAIG/SMB a few months ago while I was waiting for a conference acceptance response. Without modifying anything in the dataset repository now the Dataset viewer is not rendering the metadata.jsonl annotations, neither it is being d...
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fix string_to_dict usage for windows
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7,597
Download datasets from a private hub in 2025
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### Feature request In the context of a private hub deployment, customers would like to use load_dataset() to load datasets from their hub, not from the public hub. This doesn't seem to be configurable at the moment and it would be nice to add this feature. The obvious workaround is to clone the repo first and then l...
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Add albumentations to use dataset
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2025-06-05T20:39:46Z
2025-06-17T18:38:08Z
2025-06-17T14:44:30Z
CONTRIBUTOR
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1. Fixed broken link to the list of transforms in torchvison. 2. Extended section about video image augmentations with an example from Albumentations.
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Add `IterableDataset.push_to_hub()`
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2025-06-05T15:29:32Z
2025-06-06T16:12:37Z
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MEMBER
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Basic implementation, which writes one shard per input dataset shard. This is to be improved later. Close https://github.com/huggingface/datasets/issues/5665 PS: for image/audio datasets structured as actual image/audio files (not parquet), you can sometimes speed it up with `ds.decode(num_threads=...).push_to_h...
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Add option to ignore keys/columns when loading a dataset from jsonl(or any other data format)
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### Feature request Hi, I would like the option to ignore keys/columns when loading a dataset from files (e.g. jsonl). ### Motivation I am working on a dataset which is built on jsonl. It seems the dataset is unclean and a column has different types in each row. I can't clean this or remove the column (It is not my ...
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Fix broken link to albumentations
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2025-06-04T19:00:13Z
2025-06-05T16:37:02Z
2025-06-05T16:36:32Z
CONTRIBUTOR
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A few months back I rewrote all docs at [https://albumentations.ai/docs](https://albumentations.ai/docs), and some pages changed their links. In this PR fixed link to the most recent doc in Albumentations about bounding boxes and it's format. Fix a few typos in the doc as well.
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Remove scripts altogether
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2025-06-04T15:14:11Z
2025-07-14T06:59:35Z
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TODO: - [x] remplace fixtures based on script with no-script fixtures - [x] windaube
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Add num_proc parameter to push_to_hub
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### Feature request A number of processes parameter to the dataset.push_to_hub method ### Motivation Shards are currently uploaded serially which makes it slow for many shards, uploading can be done in parallel and much faster
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`Sequence(Features(...))` causes PyArrow cast error in `load_dataset` despite correct schema.
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2025-05-29T22:53:36Z
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### Description When loading a dataset with a field declared as a list of structs using `Sequence(Features(...))`, `load_dataset` incorrectly infers the field as a plain `struct<...>` instead of a `list<struct<...>>`. This leads to the following error: ``` ArrowNotImplementedError: Unsupported cast from list<item: st...
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feat: use content defined chunking
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2025-05-29T18:19:41Z
2025-06-17T15:04:07Z
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WIP: - [x] set the parameters in `io.parquet.ParquetDatasetReader` - [x] set the parameters in `arrow_writer.ParquetWriter` It requires a new pyarrow pin ">=21.0.0" which is not yet released.
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ValueError: Invalid pattern: '**' can only be an entire path component [Colab]
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2025-05-30T13:22:52Z
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### Describe the bug I have a dataset on HF [here](https://huggingface.co/datasets/kambale/luganda-english-parallel-corpus) that i've previously used to train a translation model [here](https://huggingface.co/kambale/pearl-11m-translate). now i changed a few hyperparameters to increase number of tokens for the model,...
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load_dataset splits typing
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2025-05-26T18:28:40Z
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close https://github.com/huggingface/datasets/issues/7583
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help is appreciated
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### Feature request https://github.com/rajasekarnp1/neural-audio-upscaler/tree/main ### Motivation ai model develpment and audio ### Your contribution ai model develpment and audio
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Avoid multiple default config names
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Fix duplicating default config names. Currently, when calling `push_to_hub(set_default=True` with 2 different config names, both are set as default. Moreover, this will generate an error next time we try to push another default config name, raised by `MetadataConfigs.get_default_config_name`: https://github.com...
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Add LMDB format support
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### Feature request Add LMDB format support for large memory-mapping files ### Motivation Add LMDB format support for large memory-mapping files ### Your contribution I'm trying to add it
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load_dataset type stubs reject List[str] for split parameter, but runtime supports it
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### Describe the bug The [load_dataset](https://huggingface.co/docs/datasets/v3.6.0/en/package_reference/loading_methods#datasets.load_dataset) method accepts a `List[str]` as the split parameter at runtime, however, the current type stubs restrict the split parameter to `Union[str, Split, None]`. This causes type che...
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fix: Add embed_storage in Pdf feature
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2025-05-22T14:06:29Z
2025-05-22T14:17:38Z
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CONTRIBUTOR
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Add missing `embed_storage` method in Pdf feature (Same as in Audio and Image)
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https://github.com/huggingface/datasets/pull/7581
3,083,080,413
PR_kwDODunzps6XNpm0
7,581
Add missing property on `RepeatExamplesIterable`
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2025-05-22T11:41:07Z
2025-06-05T12:41:30Z
2025-06-05T12:41:29Z
CONTRIBUTOR
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Fixes #7561
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