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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
flappy: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
duckrun: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
pong: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
rhythm: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
boss: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
spaceship: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
  child 0, score: int64
  child 1, name: string
  child 2, owner: string
  child 3, updated: timestamp[s]
cdeplanne: struct<flappy: struct<score: int64, name: string, updated: timestamp[s]>, duckrun: struct<score: int (... 308 chars omitted)
  child 0, flappy: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 1, duckrun: struct<score: int64, name: string, updated: timestam
...
timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 2, boss: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 3, flappy: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 4, pong: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
JimboZ: struct<pong: struct<score: int64, name: string, updated: timestamp[s]>, boss: struct<score: int64, n (... 104 chars omitted)
  child 0, pong: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 1, boss: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
  child 2, duckrun: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
tfrere: struct<pong: struct<score: int64, name: string, updated: timestamp[s]>>
  child 0, pong: struct<score: int64, name: string, updated: timestamp[s]>
      child 0, score: int64
      child 1, name: string
      child 2, updated: timestamp[s]
to
{'cdeplanne': {'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'RemiFabre': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Anne-Charlotte': {'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'s
...
hip': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'tfrere': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Lowagie': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Vivo1909': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'JimboZ': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'cdytoby': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}}
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 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, 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 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
              flappy: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              duckrun: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              pong: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              rhythm: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              boss: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              spaceship: struct<score: int64, name: string, owner: string, updated: timestamp[s]>
                child 0, score: int64
                child 1, name: string
                child 2, owner: string
                child 3, updated: timestamp[s]
              cdeplanne: struct<flappy: struct<score: int64, name: string, updated: timestamp[s]>, duckrun: struct<score: int (... 308 chars omitted)
                child 0, flappy: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 1, duckrun: struct<score: int64, name: string, updated: timestam
              ...
              timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 2, boss: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 3, flappy: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 4, pong: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
              JimboZ: struct<pong: struct<score: int64, name: string, updated: timestamp[s]>, boss: struct<score: int64, n (... 104 chars omitted)
                child 0, pong: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 1, boss: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
                child 2, duckrun: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
              tfrere: struct<pong: struct<score: int64, name: string, updated: timestamp[s]>>
                child 0, pong: struct<score: int64, name: string, updated: timestamp[s]>
                    child 0, score: int64
                    child 1, name: string
                    child 2, updated: timestamp[s]
              to
              {'cdeplanne': {'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'RemiFabre': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Anne-Charlotte': {'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'s
              ...
              hip': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'flappy': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'tfrere': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Lowagie': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'Vivo1909': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'JimboZ': {'pong': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}, 'cdytoby': {'spaceship': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'duckrun': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'rhythm': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}, 'boss': {'score': Value('int64'), 'name': Value('string'), 'updated': Value('timestamp[s]')}}}
              because column names don't match

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Reachy Mini Arcade — Global Scores

Global high-score table for the Reachy Mini Arcade Space.

scores.json holds one entry per game (best score globally):

{
  "spaceship": { "score": 12345, "name": "AAAA", "owner": "username", "updated": "2026-05-21T12:00:00Z" },
  ...
}

Writes are gated by the reachy-arcade-api backend Space, which verifies the caller's HF OAuth token before merging.

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Space using cdeplanne/reachy-arcade-scores 1