code: def test_empty_list_eval_schema_5734() -> None:
      df = pl.DataFrame({"a": [[{"b": 1, "c": 2}]]})
      assert df.filter(False).select(
          pl.col("a").list.eval(pl.element().struct.field("b"))
      ).schema == {"a": pl.List(pl.Int64)}
  
imports: from __future__ import annotations
  from collections import OrderedDict
  from datetime import date, timedelta
  from typing import Any, Iterator, Mapping
  import pytest
  import polars
  from polars.testing import assert_frame_equal, assert_series_equal
label_desc: Use image node_id 23 for calling a global function with example usage: test_empty_list_eval_schema_5734() without return types