Datasets:

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pierreguillou

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DocLayNet-small

like 11

The dataset fails to load with datasets==3.6.0 and pyarrow==20.0.0 due to a type conversion error:

pyarrow.lib.ArrowInvalid: Float value 0.000012 was truncated converting to int64

This occurs because the JSON data contains floating-point values in bounding box coordinates, but the dataset schema expects int64 values.

Solution

• Added convert_bbox_to_int() helper function to properly convert float coordinates to integers using int(round(coord))
• Applied conversion to both bboxes_block and bboxes_line in _generate_examples()

Tested with:

• datasets==3.6.0
• pyarrow==20.0.0
• Successfully loads all splits (train/validation/test) without errors