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The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
mode: string
task: string
fps: int64
robot_type: string
teleop_type: string
timestamp: string
max_steps: int64
frame_count: int64
duration_seconds: double
video_file: string
push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153052/20251120_153052.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
  child 0, task: string
  child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
      child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
          child 0, name: string
          child 1, start_frame: int64
          child 2, end_frame: int64
  child 2, mistakes: list<item: null>
      child 0, item: null
  child 3, current_editing_mistake: null
  child 4, use_for_training: bool
stack_the_cubes_on_the_plate/20251120_165915/20251120_165915.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
  child 0, task: string
  child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
      child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
          child 0, name: string
          child 1, start_frame: int64
          child 2, end_frame: int64
  child 2, mistakes: list<item: null>
      child 0, item: null
  child 3, current_editing_mistake: null
  child 4, use_for_training: bool
stack_the_cubes_together/20251120_
...
 1, start_frame: int64
          child 2, end_frame: int64
  child 2, mistakes: list<item: null>
      child 0, item: null
  child 3, current_editing_mistake: null
  child 4, use_for_training: bool
push_the_cup_to_the_middle_and_put_the_cube_into_it/20251121_130130/20251121_130130.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
  child 0, task: string
  child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
      child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
          child 0, name: string
          child 1, start_frame: int64
          child 2, end_frame: int64
  child 2, mistakes: list<item: null>
      child 0, item: null
  child 3, current_editing_mistake: null
  child 4, use_for_training: bool
remove_the_block_and_put_the_cube_into_the_box/20251121_113631/20251121_113631.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
  child 0, task: string
  child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
      child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
          child 0, name: string
          child 1, start_frame: int64
          child 2, end_frame: int64
  child 2, mistakes: list<item: null>
      child 0, item: null
  child 3, current_editing_mistake: null
  child 4, use_for_training: bool
to
{'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152129/20251120_152129.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152342/20251120_152342.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152603/20251120_152603.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153052/20251120_153052.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153235/20251120_153235.mp4': {'task': Value('string'), 'subtasks': Lis
...
'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132705/20251121_132705.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132749/20251121_132749.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132843/20251121_132843.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132922/20251121_132922.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 149, 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 129, 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 489, 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 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, 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 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              mode: string
              task: string
              fps: int64
              robot_type: string
              teleop_type: string
              timestamp: string
              max_steps: int64
              frame_count: int64
              duration_seconds: double
              video_file: string
              push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153052/20251120_153052.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
                child 0, task: string
                child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
                    child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
                        child 0, name: string
                        child 1, start_frame: int64
                        child 2, end_frame: int64
                child 2, mistakes: list<item: null>
                    child 0, item: null
                child 3, current_editing_mistake: null
                child 4, use_for_training: bool
              stack_the_cubes_on_the_plate/20251120_165915/20251120_165915.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
                child 0, task: string
                child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
                    child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
                        child 0, name: string
                        child 1, start_frame: int64
                        child 2, end_frame: int64
                child 2, mistakes: list<item: null>
                    child 0, item: null
                child 3, current_editing_mistake: null
                child 4, use_for_training: bool
              stack_the_cubes_together/20251120_
              ...
               1, start_frame: int64
                        child 2, end_frame: int64
                child 2, mistakes: list<item: null>
                    child 0, item: null
                child 3, current_editing_mistake: null
                child 4, use_for_training: bool
              push_the_cup_to_the_middle_and_put_the_cube_into_it/20251121_130130/20251121_130130.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
                child 0, task: string
                child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
                    child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
                        child 0, name: string
                        child 1, start_frame: int64
                        child 2, end_frame: int64
                child 2, mistakes: list<item: null>
                    child 0, item: null
                child 3, current_editing_mistake: null
                child 4, use_for_training: bool
              remove_the_block_and_put_the_cube_into_the_box/20251121_113631/20251121_113631.mp4: struct<task: string, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64> (... 85 chars omitted)
                child 0, task: string
                child 1, subtasks: list<item: struct<name: string, start_frame: int64, end_frame: int64>>
                    child 0, item: struct<name: string, start_frame: int64, end_frame: int64>
                        child 0, name: string
                        child 1, start_frame: int64
                        child 2, end_frame: int64
                child 2, mistakes: list<item: null>
                    child 0, item: null
                child 3, current_editing_mistake: null
                child 4, use_for_training: bool
              to
              {'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152129/20251120_152129.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152342/20251120_152342.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_152603/20251120_152603.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153052/20251120_153052.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_bowl_to_the_middle_and_put_the_cube_into_the_bowl/20251120_153235/20251120_153235.mp4': {'task': Value('string'), 'subtasks': Lis
              ...
              'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132705/20251121_132705.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132749/20251121_132749.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132843/20251121_132843.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}, 'push_the_tape_to_the_middle_and_put_the_pocket_tis/20251121_132922/20251121_132922.mp4': {'task': Value('string'), 'subtasks': List({'name': Value('string'), 'start_frame': Value('int64'), 'end_frame': Value('int64')}), 'mistakes': List(Value('null')), 'current_editing_mistake': Value('null'), 'use_for_training': Value('bool')}}
              because column names don't match

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Lerobot Bimanual dataset: Successful bimanual LeRobot manipulation demos (push, put, remove, stack tasks), 5-10 episodes per task. It contains 150 episodes for 22 tasks.

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