code: def test_context_manager():
      with warnings.catch_warnings():
          with Image.open(test_files[0]) as im:
              im.load()
  
imports: from __future__ import annotations
  import warnings
  from io import BytesIO
  import pytest
  from PIL import Image
  from .helper import assert_image_equal, assert_image_similar, is_pypy, skip_unless_feature
label_desc: Use image node_id 6 for calling a global function with example usage: test_context_manager() without return types