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fix regression #7558

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Merged
merged 1 commit into from
May 7, 2025
Merged

fix regression #7558

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6 changes: 4 additions & 2 deletions src/datasets/iterable_dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2194,8 +2194,10 @@ def _prepare_ex_iterable_for_iteration(
self, batch_size: int = 1, drop_last_batch: bool = False
) -> _BaseExamplesIterable:
ex_iterable = self._ex_iterable
if (self._formatting or (self.features and ex_iterable.features != self.features)) and (
ex_iterable.iter_arrow or self._formatting.is_table
if (
self._formatting
and (ex_iterable.iter_arrow or self._formatting.is_table)
or (self.features and ex_iterable.features != self.features)
):
ex_iterable = RebatchedArrowExamplesIterable(
ex_iterable, batch_size=batch_size, drop_last_batch=drop_last_batch
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