code: def test_array_in_list() -> None:
      s = pl.Series(
          [[[1, 2], [3, 4]], [[5, 6], [7, 8]]],
          dtype=pl.List(pl.Array(pl.Int8, 2)),
      )
      assert s.dtype == pl.List(pl.Array(pl.Int8, 2))
  
file_path: polars/py-polars/tests/unit/datatypes/test_array.py
imports: import datetime
  from typing import Any
  import pytest
  import polars
  from polars.exceptions import InvalidOperationError
  from polars.testing import assert_series_equal
label_desc: Use image node_id 8 for calling a global function with example usage: test_array_in_list() without return types