code: def pytest_addoption(parser):
      """Pytest command line parser options adder."""
      parser.addoption(
          "--matrixdesign",
          default=False,
          help="sub-sample estimators in tests by os/version matrix partition design",
      )
      parser.addoption(
          "--only_cython_estimators",
          default=False,
          help="test only cython estimators, with tag requires_cython=True",
      )
      parser.addoption(
          "--only_changed_modules",
          default=False,
          help="test only estimators from modules that have changed compared to main",
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_addoption(parser) without return types