code: def pytest_collection_modifyitems(config, items):
      if config.getoption("--regression"):
          return
  
      skip_regression = pytest.mark.skip(
          reason="need --regression option to run regression tests"
      )
      for item in items:
          if "regression" in item.keywords:
              item.add_marker(skip_regression)
  
label_desc: Use image node_id 3 for calling a global function with example usage: pytest_collection_modifyitems(config, items) without return types