code: def test_contextmanager():
      with pytest.warns(None) as record:
          with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"):
              pass
  
      assert not record
  
imports: import pytest
  from PIL import Image, TarIO, features
  from .helper import is_pypy
label_desc: Use image node_id 4 for calling a global function with example usage: test_contextmanager() without return types