Dataset Viewer
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
episode_0: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_1: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_2: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: strin
...
xture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_97: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_98: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
seed: int64
seen: list<item: string>
child 0, item: string
unseen: list<item: string>
child 0, item: string
to
{'seed': Value('int64'), 'seen': List(Value('string')), 'unseen': 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 2951, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2461, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2486, 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 547, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 430, 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
episode_0: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_1: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_2: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: strin
...
xture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_97: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
episode_98: struct<cluttered_table_info: list<item: null>, texture_info: struct<wall_texture: null, table_textur (... 75 chars omitted)
child 0, cluttered_table_info: list<item: null>
child 0, item: null
child 1, texture_info: struct<wall_texture: null, table_texture: null>
child 0, wall_texture: null
child 1, table_texture: null
child 2, info: struct<{A}: string, {B}: string, {a}: string, {C}: string>
child 0, {A}: string
child 1, {B}: string
child 2, {a}: string
child 3, {C}: string
seed: int64
seen: list<item: string>
child 0, item: string
unseen: list<item: string>
child 0, item: string
to
{'seed': Value('int64'), 'seen': List(Value('string')), 'unseen': List(Value('string'))}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
RoboTwin 3-bread — demo_clean
Expert demonstrations for RoboTwin place_bread_basket with a 3-bread setup under the demo_clean (easy) configuration.
Layout
place_bread_basket/aloha_agilex/
data/episode_XXXXXXX.hdf5
video/episode_XXXXXXX.mp4
instruction/episode_XXXXXXX.json
_traj_data/
scene_info.json
seed.txt
Usage
Place under RoboTwin data/demo_clean_3bread_100/ (or symlink) so the path matches:
data/.../place_bread_basket/aloha_agilex/
Collected with RoboTwin (MIT).
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