code: def pytest_addoption(parser):
      parser.addoption(
          "--skip-slow", action="store_true", help="skip slow tests"
      )
      parser.addoption(
          "--only-slow", action="store_true", help="run only slow tests"
      )
      parser.addoption(
          "--skip-examples",
          action="store_true",
          help="skip tests of examples",
      )
      parser.addoption(
          "--skip-matplotlib",
          action="store_true",
          help="skip tests that depend on matplotlib",
      )
      parser.addoption(
          "--skip-smoke", action="store_true", help="skip smoke tests"
      )
      parser.addoption(
          "--only-smoke",
          action="store_true",
          help="run only smoke tests",
      )
  
file_path: statsmodels/statsmodels/conftest.py
imports: import logging
  import os
  import numpy
  import pandas
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_addoption(parser) without return types