Repro: Janus-LoRA (ICML 2026, XJ5r19iN9G)
Collection
Reproduction of Janus-LoRA — all 6 claims. Logbook Space, GPU-run dataset, and artifact bucket. • 2 items • Updated
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
ACC: double
MAA: double
BWT: double
diag_per_task: list<item: double>
child 0, item: double
acc_matrix_raw: string
key: string
seconds: double
returncode: int64
config: string
overrides: struct<>
benchmark: string
seed: int64
paper: string
debug: bool
epochs: null
runs: struct<janus: struct<ACC: double, MAA: double, BWT: double, diag_per_task: list<item: double>, acc_m (... 105 chars omitted)
child 0, janus: struct<ACC: double, MAA: double, BWT: double, diag_per_task: list<item: double>, acc_matrix_raw: str (... 90 chars omitted)
child 0, ACC: double
child 1, MAA: double
child 2, BWT: double
child 3, diag_per_task: list<item: double>
child 0, item: double
child 4, acc_matrix_raw: string
child 5, key: string
child 6, seconds: double
child 7, returncode: int64
child 8, config: string
child 9, overrides: struct<>
to
{'paper': Value('string'), 'benchmark': Value('string'), 'seed': Value('int64'), 'epochs': Value('null'), 'debug': Value('bool'), 'runs': {'janus': {'ACC': Value('float64'), 'MAA': Value('float64'), 'BWT': Value('float64'), 'diag_per_task': List(Value('float64')), 'acc_matrix_raw': Value('string'), 'key': Value('string'), 'seconds': Value('float64'), 'returncode': Value('int64'), 'config': Value('string'), 'overrides': {}}}}
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 478, 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
ACC: double
MAA: double
BWT: double
diag_per_task: list<item: double>
child 0, item: double
acc_matrix_raw: string
key: string
seconds: double
returncode: int64
config: string
overrides: struct<>
benchmark: string
seed: int64
paper: string
debug: bool
epochs: null
runs: struct<janus: struct<ACC: double, MAA: double, BWT: double, diag_per_task: list<item: double>, acc_m (... 105 chars omitted)
child 0, janus: struct<ACC: double, MAA: double, BWT: double, diag_per_task: list<item: double>, acc_matrix_raw: str (... 90 chars omitted)
child 0, ACC: double
child 1, MAA: double
child 2, BWT: double
child 3, diag_per_task: list<item: double>
child 0, item: double
child 4, acc_matrix_raw: string
child 5, key: string
child 6, seconds: double
child 7, returncode: int64
child 8, config: string
child 9, overrides: struct<>
to
{'paper': Value('string'), 'benchmark': Value('string'), 'seed': Value('int64'), 'epochs': Value('null'), 'debug': Value('bool'), 'runs': {'janus': {'ACC': Value('float64'), 'MAA': Value('float64'), 'BWT': Value('float64'), 'diag_per_task': List(Value('float64')), 'acc_matrix_raw': Value('string'), 'key': Value('string'), 'seconds': Value('float64'), 'returncode': Value('int64'), 'config': Value('string'), 'overrides': {}}}}
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