code: def test_scan_csv(io_files_path: Path) -> None:
      df = pl.scan_csv(io_files_path / "small.csv")
      assert df.collect().shape == (4, 3)
  
imports: from __future__ import annotations
  from collections import OrderedDict
  from typing import TYPE_CHECKING
  import numpy
  import pytest
  import polars
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 2 for calling a global function with example usage: test_scan_csv(io_files_path) without return types