code: def test_set_streaming_chunk_size() -> None:
      with pl.Config() as cfg:
          cfg.set_streaming_chunk_size(8)
          assert os.environ.get("POLARS_STREAMING_CHUNK_SIZE") == "8"
  
      with pytest.raises(ValueError), pl.Config() as cfg:
          cfg.set_streaming_chunk_size(0)
  
imports: from __future__ import annotations
  import os
  from pathlib import Path
  from typing import Any, Iterator
  import pytest
  import polars
  import polars.polars
  from polars.config import _POLARS_CFG_ENV_VARS
label_desc: Use image node_id 17 for calling a global function with example usage: test_set_streaming_chunk_size() without return types