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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
codebase_version: string
robot_type: string
total_episodes: int64
total_frames: int64
total_tasks: int64
chunks_size: int64
data_files_size_in_mb: int64
video_files_size_in_mb: int64
fps: int64
splits: struct<train: string>
  child 0, train: string
data_path: string
video_path: string
features: struct<timestamp: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>, frame_in (... 1434 chars omitted)
  child 0, timestamp: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
      child 0, dtype: string
      child 1, shape: list<item: int64>
          child 0, item: int64
      child 2, names: null
      child 3, fps: int64
  child 1, frame_index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
      child 0, dtype: string
      child 1, shape: list<item: int64>
          child 0, item: int64
      child 2, names: null
      child 3, fps: int64
  child 2, episode_index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
      child 0, dtype: string
      child 1, shape: list<item: int64>
          child 0, item: int64
      child 2, names: null
      child 3, fps: int64
  child 3, index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
      child 0, dtype: string
      child 1, shape: list<item: int64>
          child 0, item: int64
      child 2, names: null
      child 3, fps: int64
  child 4, task_index: struct<dtype: string, shape: list<item: int64>, names: null, 
...
m: int64
      child 2, names: list<item: string>
          child 0, item: string
      child 3, info: struct<video.fps: double, video.height: int64, video.width: int64, video.channels: int64, video.code (... 76 chars omitted)
          child 0, video.fps: double
          child 1, video.height: int64
          child 2, video.width: int64
          child 3, video.channels: int64
          child 4, video.codec: string
          child 5, video.pix_fmt: string
          child 6, video.is_depth_map: bool
          child 7, has_audio: bool
source_rosbags: list<item: null>
  child 0, item: null
conversion_config: struct<robot_type: string, task_name: string, fps: int64, camera_rotations: struct<cam_left_wrist: i (... 334 chars omitted)
  child 0, robot_type: string
  child 1, task_name: string
  child 2, fps: int64
  child 3, camera_rotations: struct<cam_left_wrist: int64, cam_right_wrist: int64>
      child 0, cam_left_wrist: int64
      child 1, cam_right_wrist: int64
  child 4, selected_end_effector_topics: list<item: null>
      child 0, item: null
  child 5, selected_cameras: list<item: string>
      child 0, item: string
  child 6, output_dataset_name: string
  child 7, image_resize: null
  child 8, image_resize_by_camera: struct<>
  child 9, selected_joint_state_topics: list<item: string>
      child 0, item: string
  child 10, primitive_instructions: list<item: null>
      child 0, item: null
  child 11, selected_action_topics: list<item: string>
      child 0, item: string
to
{'source_rosbags': List(Value('null')), 'conversion_config': {'robot_type': Value('string'), 'task_name': Value('string'), 'fps': Value('int64'), 'camera_rotations': {'cam_left_wrist': Value('int64'), 'cam_right_wrist': Value('int64')}, 'selected_end_effector_topics': List(Value('null')), 'selected_cameras': List(Value('string')), 'output_dataset_name': Value('string'), 'image_resize': Value('null'), 'image_resize_by_camera': {}, 'selected_joint_state_topics': List(Value('string')), 'primitive_instructions': List(Value('null')), 'selected_action_topics': List(Value('string'))}}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              codebase_version: string
              robot_type: string
              total_episodes: int64
              total_frames: int64
              total_tasks: int64
              chunks_size: int64
              data_files_size_in_mb: int64
              video_files_size_in_mb: int64
              fps: int64
              splits: struct<train: string>
                child 0, train: string
              data_path: string
              video_path: string
              features: struct<timestamp: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>, frame_in (... 1434 chars omitted)
                child 0, timestamp: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
                    child 0, dtype: string
                    child 1, shape: list<item: int64>
                        child 0, item: int64
                    child 2, names: null
                    child 3, fps: int64
                child 1, frame_index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
                    child 0, dtype: string
                    child 1, shape: list<item: int64>
                        child 0, item: int64
                    child 2, names: null
                    child 3, fps: int64
                child 2, episode_index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
                    child 0, dtype: string
                    child 1, shape: list<item: int64>
                        child 0, item: int64
                    child 2, names: null
                    child 3, fps: int64
                child 3, index: struct<dtype: string, shape: list<item: int64>, names: null, fps: int64>
                    child 0, dtype: string
                    child 1, shape: list<item: int64>
                        child 0, item: int64
                    child 2, names: null
                    child 3, fps: int64
                child 4, task_index: struct<dtype: string, shape: list<item: int64>, names: null, 
              ...
              m: int64
                    child 2, names: list<item: string>
                        child 0, item: string
                    child 3, info: struct<video.fps: double, video.height: int64, video.width: int64, video.channels: int64, video.code (... 76 chars omitted)
                        child 0, video.fps: double
                        child 1, video.height: int64
                        child 2, video.width: int64
                        child 3, video.channels: int64
                        child 4, video.codec: string
                        child 5, video.pix_fmt: string
                        child 6, video.is_depth_map: bool
                        child 7, has_audio: bool
              source_rosbags: list<item: null>
                child 0, item: null
              conversion_config: struct<robot_type: string, task_name: string, fps: int64, camera_rotations: struct<cam_left_wrist: i (... 334 chars omitted)
                child 0, robot_type: string
                child 1, task_name: string
                child 2, fps: int64
                child 3, camera_rotations: struct<cam_left_wrist: int64, cam_right_wrist: int64>
                    child 0, cam_left_wrist: int64
                    child 1, cam_right_wrist: int64
                child 4, selected_end_effector_topics: list<item: null>
                    child 0, item: null
                child 5, selected_cameras: list<item: string>
                    child 0, item: string
                child 6, output_dataset_name: string
                child 7, image_resize: null
                child 8, image_resize_by_camera: struct<>
                child 9, selected_joint_state_topics: list<item: string>
                    child 0, item: string
                child 10, primitive_instructions: list<item: null>
                    child 0, item: null
                child 11, selected_action_topics: list<item: string>
                    child 0, item: string
              to
              {'source_rosbags': List(Value('null')), 'conversion_config': {'robot_type': Value('string'), 'task_name': Value('string'), 'fps': Value('int64'), 'camera_rotations': {'cam_left_wrist': Value('int64'), 'cam_right_wrist': Value('int64')}, 'selected_end_effector_topics': List(Value('null')), 'selected_cameras': List(Value('string')), 'output_dataset_name': Value('string'), 'image_resize': Value('null'), 'image_resize_by_camera': {}, 'selected_joint_state_topics': List(Value('string')), 'primitive_instructions': List(Value('null')), 'selected_action_topics': List(Value('string'))}}
              because column names don't match

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