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The split features (columns) cannot be extracted.
Error code:   FeaturesError
Exception:    AttributeError
Message:      'int' object has no attribute 'keys'
Traceback:    Traceback (most recent call last):
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/packaged_modules/json/json.py", line 132, in _generate_tables
                  pa_table = paj.read_json(
                File "pyarrow/_json.pyx", line 246, in pyarrow._json.read_json
                File "pyarrow/error.pxi", line 143, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 99, in pyarrow.lib.check_status
              pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to number in row 0
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/workers/datasets_based/src/datasets_based/workers/first_rows.py", line 475, in compute_first_rows_response
                  iterable_dataset = iterable_dataset._resolve_features()
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 1617, in _resolve_features
                  features = _infer_features_from_batch(self._head())
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 804, in _head
                  return _examples_to_batch(list(self.take(n)))
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 917, in __iter__
                  for key, example in ex_iterable:
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 658, in __iter__
                  yield from islice(self.ex_iterable, self.n)
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 113, in __iter__
                  yield from self.generate_examples_fn(**self.kwargs)
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 743, in wrapper
                  for key, table in generate_tables_fn(**kwargs):
                File "/src/workers/datasets_based/.venv/lib/python3.9/site-packages/datasets/packaged_modules/json/json.py", line 171, in _generate_tables
                  f"This JSON file contain the following fields: {str(list(dataset.keys()))}. "
              AttributeError: 'int' object has no attribute 'keys'

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