code: def test_sorted_update_flags_10327() -> None:
      assert pl.concat(
          [
              pl.Series("a", [1], dtype=pl.Int64).to_frame(),
              pl.Series("a", [], dtype=pl.Int64).to_frame(),
              pl.Series("a", [2], dtype=pl.Int64).to_frame(),
              pl.Series("a", [], dtype=pl.Int64).to_frame(),
          ]
      )["a"].to_list() == [1, 2]
  
imports: from __future__ import annotations
  from datetime import date, datetime
  from typing import Any
  import pytest
  import polars
  from polars.testing import assert_frame_equal, assert_series_equal
label_desc: Use image node_id 39 for calling a global function with example usage: test_sorted_update_flags_10327() without return types