code: def test_scan_csv_slice_offset_zero(io_files_path: Path) -> None:
      lf = pl.scan_csv(io_files_path / "small.csv")
      result = lf.slice(0)
      assert result.collect().height == 4
  
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 16 for calling a global function with example usage: test_scan_csv_slice_offset_zero(io_files_path) without return types