code: def pytest_configure(config: pytest.Config) -> None:
      """Register custom markers"""
      for marker in DEFAULT_ENABLED_MARKERS:
          config.addinivalue_line("markers", marker)
  
imports: from __future__ import annotations
  import shutil
  import subprocess
  import sys
  from collections import namedtuple
  from io import StringIO
  from typing import TYPE_CHECKING, Any, Callable
  import pytest
  from sphinx.testing.util import SphinxTestApp, SphinxTestAppWrapperForSkipBuilding
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_configure(config) without return types