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Skip hidden .parquet files when loading dataset to avoid PyArrow errors #2568

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Skip hidden .parquet files when loading dataset to avoid PyArrow errors #2568

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Skip hidden .parquet files when loading dataset to avoid PyArrow errors
ahadjawaid Dec 2, 2025
49a12e1
Merge branch 'main' into patch-1
ahadjawaid Dec 3, 2025
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2 changes: 1 addition & 1 deletion src/lerobot/datasets/utils.py
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Expand Up @@ -124,7 +124,7 @@ def load_nested_dataset(
# When no filtering needed, Dataset uses memory-mapped loading for efficiency
# PyArrow loads the entire dataset into memory
if episodes is None:
return Dataset.from_parquet([str(path) for path in paths], features=features)
return Dataset.from_parquet([str(path) for path in paths if not path.name.startswith(".")], features=features)

arrow_dataset = pa_ds.dataset(paths, format="parquet")
filter_expr = pa_ds.field("episode_index").isin(episodes)
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