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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
run_date: timestamp[s]
windows: list<item: int64>
child 0, item: int64
p_variation: int64
bernoulli_threshold: double
universes: struct<FI_COMMODITIES: struct<best_window_data: struct<window: int64, top_etfs: list<item: struct<ti (... 3687 chars omitted)
child 0, FI_COMMODITIES: struct<best_window_data: struct<window: int64, top_etfs: list<item: struct<ticker: string, rough_sco (... 643 chars omitted)
child 0, best_window_data: struct<window: int64, top_etfs: list<item: struct<ticker: string, rough_score_norm: double, raw_scor (... 245 chars omitted)
child 0, window: int64
child 1, top_etfs: list<item: struct<ticker: string, rough_score_norm: double, raw_score: double>>
child 0, item: struct<ticker: string, rough_score_norm: double, raw_score: double>
child 0, ticker: string
child 1, rough_score_norm: double
child 2, raw_score: double
child 2, all_scores_raw: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double>
child 0, TLT: double
child 1, VCIT: double
child 2, LQD: double
child 3, HYG: double
child 4, VNQ: double
child 5, GLD: double
child 6, SLV: double
child 3, all_scores_norm: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double>
child 0, TLT: double
...
child 17, GDX: double
child 18, XME: double
child 19, IWF: double
child 20, XSD: double
child 21, XBI: double
child 22, IWM: double
child 23, IWD: double
child 24, IWO: double
child 3, all_scores_norm: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double, S (... 232 chars omitted)
child 0, TLT: double
child 1, VCIT: double
child 2, LQD: double
child 3, HYG: double
child 4, VNQ: double
child 5, GLD: double
child 6, SLV: double
child 7, SPY: double
child 8, QQQ: double
child 9, XLK: double
child 10, XLF: double
child 11, XLE: double
child 12, XLV: double
child 13, XLI: double
child 14, XLY: double
child 15, XLP: double
child 16, XLU: double
child 17, GDX: double
child 18, XME: double
child 19, IWF: double
child 20, XSD: double
child 21, XBI: double
child 22, IWM: double
child 23, IWD: double
child 24, IWO: double
p_variation_order: int64
to
{'run_date': Value('timestamp[s]'), 'windows': List(Value('int64')), 'p_variation_order': Value('int64'), 'universes': {'FI_COMMODITIES': {'best_window_data': {'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}}, 'all_windows': List({'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}})}, 'EQUITY_SECTORS': {'best_window_data': {'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'SPY': Value('float64'), 'QQQ': Value('float
...
e('float64'), 'IWO': Value('float64')}}, 'all_windows': List({'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64'), 'SPY': Value('float64'), 'QQQ': Value('float64'), 'XLK': Value('float64'), 'XLF': Value('float64'), 'XLE': Value('float64'), 'XLV': Value('float64'), 'XLI': Value('float64'), 'XLY': Value('float64'), 'XLP': Value('float64'), 'XLU': Value('float64'), 'GDX': Value('float64'), 'XME': Value('float64'), 'IWF': Value('float64'), 'XSD': Value('float64'), 'XBI': Value('float64'), 'IWM': Value('float64'), 'IWD': Value('float64'), 'IWO': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64'), 'SPY': Value('float64'), 'QQQ': Value('float64'), 'XLK': Value('float64'), 'XLF': Value('float64'), 'XLE': Value('float64'), 'XLV': Value('float64'), 'XLI': Value('float64'), 'XLY': Value('float64'), 'XLP': Value('float64'), 'XLU': Value('float64'), 'GDX': Value('float64'), 'XME': Value('float64'), 'IWF': Value('float64'), 'XSD': Value('float64'), 'XBI': Value('float64'), 'IWM': Value('float64'), 'IWD': Value('float64'), 'IWO': Value('float64')}})}}}
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
run_date: timestamp[s]
windows: list<item: int64>
child 0, item: int64
p_variation: int64
bernoulli_threshold: double
universes: struct<FI_COMMODITIES: struct<best_window_data: struct<window: int64, top_etfs: list<item: struct<ti (... 3687 chars omitted)
child 0, FI_COMMODITIES: struct<best_window_data: struct<window: int64, top_etfs: list<item: struct<ticker: string, rough_sco (... 643 chars omitted)
child 0, best_window_data: struct<window: int64, top_etfs: list<item: struct<ticker: string, rough_score_norm: double, raw_scor (... 245 chars omitted)
child 0, window: int64
child 1, top_etfs: list<item: struct<ticker: string, rough_score_norm: double, raw_score: double>>
child 0, item: struct<ticker: string, rough_score_norm: double, raw_score: double>
child 0, ticker: string
child 1, rough_score_norm: double
child 2, raw_score: double
child 2, all_scores_raw: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double>
child 0, TLT: double
child 1, VCIT: double
child 2, LQD: double
child 3, HYG: double
child 4, VNQ: double
child 5, GLD: double
child 6, SLV: double
child 3, all_scores_norm: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double>
child 0, TLT: double
...
child 17, GDX: double
child 18, XME: double
child 19, IWF: double
child 20, XSD: double
child 21, XBI: double
child 22, IWM: double
child 23, IWD: double
child 24, IWO: double
child 3, all_scores_norm: struct<TLT: double, VCIT: double, LQD: double, HYG: double, VNQ: double, GLD: double, SLV: double, S (... 232 chars omitted)
child 0, TLT: double
child 1, VCIT: double
child 2, LQD: double
child 3, HYG: double
child 4, VNQ: double
child 5, GLD: double
child 6, SLV: double
child 7, SPY: double
child 8, QQQ: double
child 9, XLK: double
child 10, XLF: double
child 11, XLE: double
child 12, XLV: double
child 13, XLI: double
child 14, XLY: double
child 15, XLP: double
child 16, XLU: double
child 17, GDX: double
child 18, XME: double
child 19, IWF: double
child 20, XSD: double
child 21, XBI: double
child 22, IWM: double
child 23, IWD: double
child 24, IWO: double
p_variation_order: int64
to
{'run_date': Value('timestamp[s]'), 'windows': List(Value('int64')), 'p_variation_order': Value('int64'), 'universes': {'FI_COMMODITIES': {'best_window_data': {'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}}, 'all_windows': List({'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64')}})}, 'EQUITY_SECTORS': {'best_window_data': {'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'SPY': Value('float64'), 'QQQ': Value('float
...
e('float64'), 'IWO': Value('float64')}}, 'all_windows': List({'window': Value('int64'), 'top_etfs': List({'ticker': Value('string'), 'rough_score_norm': Value('float64'), 'raw_score': Value('float64')}), 'all_scores_raw': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64'), 'SPY': Value('float64'), 'QQQ': Value('float64'), 'XLK': Value('float64'), 'XLF': Value('float64'), 'XLE': Value('float64'), 'XLV': Value('float64'), 'XLI': Value('float64'), 'XLY': Value('float64'), 'XLP': Value('float64'), 'XLU': Value('float64'), 'GDX': Value('float64'), 'XME': Value('float64'), 'IWF': Value('float64'), 'XSD': Value('float64'), 'XBI': Value('float64'), 'IWM': Value('float64'), 'IWD': Value('float64'), 'IWO': Value('float64')}, 'all_scores_norm': {'TLT': Value('float64'), 'VCIT': Value('float64'), 'LQD': Value('float64'), 'HYG': Value('float64'), 'VNQ': Value('float64'), 'GLD': Value('float64'), 'SLV': Value('float64'), 'SPY': Value('float64'), 'QQQ': Value('float64'), 'XLK': Value('float64'), 'XLF': Value('float64'), 'XLE': Value('float64'), 'XLV': Value('float64'), 'XLI': Value('float64'), 'XLY': Value('float64'), 'XLP': Value('float64'), 'XLU': Value('float64'), 'GDX': Value('float64'), 'XME': Value('float64'), 'IWF': Value('float64'), 'XSD': Value('float64'), 'XBI': Value('float64'), 'IWM': Value('float64'), 'IWD': Value('float64'), 'IWO': Value('float64')}})}}}
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