pyarrow.lib.ArrowInvalid: Mismatching child array lengths when loading the train dataset

#1
by Yann-CV - opened

datasets==4.4.1

from datasets import load_dataset
train_dataset = load_dataset("Tocmac/ReinAD", cache_dir="/storage/ml/", split="train")
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Generating train split: 2602 examples [07:57,  5.49 examples/s]Failed to read file '/storage/ml/hub/datasets--Tocmac--ReinAD/snapshots/cfdff64a23f293bf0d32fc53ac1898c470da5bfb/train/reflective_sheet.h5' with error <class 'pyarrow.lib.ArrowInvalid'>: Mismatching child array lengths
Generating train split: 2602 examples [08:12,  5.28 examples/s]
Traceback (most recent call last):
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/builder.py", line 1818, in _prepare_split_single
    for _, table in generator:
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 89, in _generate_tables
    pa_table = _recursive_load_arrays(h5, self.info.features, start, end)
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 275, in _recursive_load_arrays
    arr = _recursive_load_arrays(dset, features[path], start, end)
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 296, in _recursive_load_arrays
    sarr = pa.StructArray.from_arrays(values, names=keys)
  File "pyarrow/array.pxi", line 4306, in pyarrow.lib.StructArray.from_arrays
  File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
  File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowInvalid: Mismatching child array lengths

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/yann/sensei/experiments/tools/import_data_to_sly.py", line 23, in <module>
    train_dataset = load_dataset("Tocmac/ReinAD", cache_dir="/storage/ml/", split="train")
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/load.py", line 1417, in load_dataset
    builder_instance.download_and_prepare(
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/builder.py", line 897, in download_and_prepare
    self._download_and_prepare(
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/builder.py", line 973, in _download_and_prepare
    self._prepare_split(split_generator, **prepare_split_kwargs)
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/builder.py", line 1705, in _prepare_split
    for job_id, done, content in self._prepare_split_single(
  File "/home/yann/sensei/.venv/lib/python3.10/site-packages/datasets/builder.py", line 1861, in _prepare_split_single
    raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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