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The dataset generation failed because of a cast error
Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'stats'}) and 2 missing columns ({'tasks', 'length'}).
This happened while the json dataset builder was generating data using
hf://datasets/lmytimagedata/lch_aubo_merge_20250519_20250603_lerobot/meta/episodes_stats.jsonl (at revision edeb4eba525054818e861589dd8dc20244e4d103)
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1871, in _prepare_split_single
writer.write_table(table)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 643, in write_table
pa_table = table_cast(pa_table, self._schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2293, in table_cast
return cast_table_to_schema(table, schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2241, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
episode_index: int64
stats: struct<observation.images.main_camera: struct<min: list<item: list<item: list<item: double>>>, max: list<item: list<item: list<item: double>>>, mean: list<item: list<item: list<item: double>>>, std: list<item: list<item: list<item: double>>>, count: list<item: int64>>, observation.state: struct<min: list<item: double>, max: list<item: double>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, action: struct<min: list<item: double>, max: list<item: double>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, timestamp: struct<min: list<item: double>, max: list<item: double>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, frame_index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, episode_index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>, task_index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>>
child 0, observation.images.main_camera: struct<min: list<item: list<item: list<item: double>>>, max: list<item: list<item: list<item: double>>>, mean: list<item: list<item: list
...
_index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>
child 0, min: list<item: int64>
child 0, item: int64
child 1, max: list<item: int64>
child 0, item: int64
child 2, mean: list<item: double>
child 0, item: double
child 3, std: list<item: double>
child 0, item: double
child 4, count: list<item: int64>
child 0, item: int64
child 6, index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>
child 0, min: list<item: int64>
child 0, item: int64
child 1, max: list<item: int64>
child 0, item: int64
child 2, mean: list<item: double>
child 0, item: double
child 3, std: list<item: double>
child 0, item: double
child 4, count: list<item: int64>
child 0, item: int64
child 7, task_index: struct<min: list<item: int64>, max: list<item: int64>, mean: list<item: double>, std: list<item: double>, count: list<item: int64>>
child 0, min: list<item: int64>
child 0, item: int64
child 1, max: list<item: int64>
child 0, item: int64
child 2, mean: list<item: double>
child 0, item: double
child 3, std: list<item: double>
child 0, item: double
child 4, count: list<item: int64>
child 0, item: int64
to
{'episode_index': Value(dtype='int64', id=None), 'tasks': Sequence(feature=Value(dtype='string', id=None), length=-1, id=None), 'length': Value(dtype='int64', id=None)}
because column names don't match
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1436, in compute_config_parquet_and_info_response
parquet_operations = convert_to_parquet(builder)
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1053, in convert_to_parquet
builder.download_and_prepare(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 925, in download_and_prepare
self._download_and_prepare(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1001, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1742, in _prepare_split
for job_id, done, content in self._prepare_split_single(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1873, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'stats'}) and 2 missing columns ({'tasks', 'length'}).
This happened while the json dataset builder was generating data using
hf://datasets/lmytimagedata/lch_aubo_merge_20250519_20250603_lerobot/meta/episodes_stats.jsonl (at revision edeb4eba525054818e861589dd8dc20244e4d103)
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
episode_index
int64 | tasks
sequence | length
int64 |
|---|---|---|
0 | [
"put banana into the box"
]
| 60 |
1 | [
"put apple into the box"
]
| 60 |
2 | [
"put cuke into the box"
]
| 56 |
3 | [
"move cuke out of the box"
]
| 38 |
4 | [
"move apple out of the box"
]
| 60 |
5 | [
"move banana out of the box"
]
| 51 |
6 | [
"put banana into the box"
]
| 55 |
7 | [
"put apple into the box"
]
| 60 |
8 | [
"put cuke into the box"
]
| 60 |
9 | [
"move banana out of the box"
]
| 54 |
10 | [
"move cuke out of the box"
]
| 58 |
11 | [
"move apple out of the box"
]
| 61 |
12 | [
"put banana into the box"
]
| 55 |
13 | [
"put cuke into the box"
]
| 50 |
14 | [
"put apple into the box"
]
| 41 |
15 | [
"move apple out of the box"
]
| 51 |
16 | [
"move banana out of the box"
]
| 58 |
17 | [
"move cuke out of the box"
]
| 105 |
18 | [
"put banana into the box"
]
| 60 |
19 | [
"put apple into the box"
]
| 42 |
20 | [
"put cuke into the box"
]
| 92 |
21 | [
"move cuke out of the box"
]
| 37 |
22 | [
"move apple out of the box"
]
| 55 |
23 | [
"move banana out of the box"
]
| 70 |
24 | [
"put banana into the box"
]
| 50 |
25 | [
"put cuke into the box"
]
| 50 |
26 | [
"put apple into the box"
]
| 50 |
27 | [
"move apple out of the box"
]
| 28 |
28 | [
"move cuke out of the box"
]
| 40 |
29 | [
"move banana out of the box"
]
| 61 |
30 | [
"put eggplant into the box"
]
| 50 |
31 | [
"put chili into the box"
]
| 70 |
32 | [
"put peach into the box"
]
| 70 |
33 | [
"move eggplant out of the box"
]
| 60 |
34 | [
"move chili out of the box"
]
| 70 |
35 | [
"move peach out of the box"
]
| 67 |
36 | [
"put eggplant into the box"
]
| 70 |
37 | [
"put chili into the box"
]
| 70 |
38 | [
"put peach into the box"
]
| 65 |
39 | [
"move chili out of the box"
]
| 70 |
40 | [
"move eggplant out of the box"
]
| 60 |
41 | [
"move eggplant out of the box"
]
| 65 |
42 | [
"put chili into the box"
]
| 55 |
43 | [
"put eggplant into the box"
]
| 75 |
44 | [
"put peach into the box"
]
| 55 |
45 | [
"move peach out of the box"
]
| 50 |
46 | [
"move eggplant out of the box"
]
| 60 |
47 | [
"move chili out of the box"
]
| 71 |
48 | [
"put chili into the box"
]
| 70 |
49 | [
"put eggplant into the box"
]
| 65 |
50 | [
"put peach into the box"
]
| 50 |
51 | [
"move eggplant out of the box"
]
| 60 |
52 | [
"move peach out of the box"
]
| 60 |
53 | [
"move chili out of the box"
]
| 77 |
54 | [
"put peach into the box"
]
| 60 |
55 | [
"put eggplant into the box"
]
| 60 |
56 | [
"put chili into the box"
]
| 60 |
57 | [
"move chili out of the box"
]
| 40 |
58 | [
"move eggplant out of the box"
]
| 60 |
59 | [
"move peach out of the box"
]
| 50 |
60 | [
"put peach into the box"
]
| 60 |
61 | [
"put eggplant into the box"
]
| 60 |
62 | [
"put chili into the box"
]
| 55 |
63 | [
"move eggplant out of the box"
]
| 60 |
64 | [
"move chili out of the box"
]
| 55 |
65 | [
"move peach out of the box"
]
| 60 |
66 | [
"put peach into the box"
]
| 50 |
67 | [
"put chili into the box"
]
| 70 |
68 | [
"put eggplant into the box"
]
| 55 |
69 | [
"move peach out of the box"
]
| 35 |
70 | [
"move eggplant out of the box"
]
| 52 |
71 | [
"move chili out of the box"
]
| 74 |
72 | [
"put egg into the box"
]
| 55 |
73 | [
"put corn into the box"
]
| 65 |
74 | [
"put potato into the box"
]
| 50 |
75 | [
"move potato out of the box"
]
| 44 |
76 | [
"move corn out of the box"
]
| 60 |
77 | [
"move egg out of the box"
]
| 66 |
78 | [
"put egg into the box"
]
| 50 |
79 | [
"put corn into the box"
]
| 60 |
80 | [
"put potato into the box"
]
| 55 |
81 | [
"move potato out of the box"
]
| 40 |
82 | [
"move corn out of the box"
]
| 55 |
83 | [
"move egg out of the box"
]
| 51 |
84 | [
"put corn into the box"
]
| 64 |
85 | [
"put potato into the box"
]
| 45 |
86 | [
"put egg into the box"
]
| 82 |
87 | [
"move corn out of the box"
]
| 80 |
88 | [
"move potato out of the box"
]
| 70 |
89 | [
"move egg out of the box"
]
| 55 |
90 | [
"put peach into the box"
]
| 45 |
91 | [
"put corn into the box"
]
| 60 |
92 | [
"put potato into the box"
]
| 50 |
93 | [
"move potato out of the box"
]
| 35 |
94 | [
"move corn out of the box"
]
| 65 |
95 | [
"move peach out of the box"
]
| 47 |
96 | [
"put peach into the box"
]
| 50 |
97 | [
"put corn into the box"
]
| 55 |
98 | [
"put potato into the box"
]
| 40 |
99 | [
"move potato out of the box"
]
| 44 |
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