code: def pdb_env(request):
      if "pytester" in request.fixturenames:
          # Disable pdb++ with inner tests.
          pytester = request.getfixturevalue("pytester")
          pytester._monkeypatch.setenv("PDBPP_HIJACK_PDB", "0")
  
imports: import os
  import sys
  from typing import List
  import _pytest._code
  import pytest
  from _pytest.debugging import _validate_usepdb_cls
  from _pytest.monkeypatch import MonkeyPatch
  from _pytest.pytester import Pytester
label_desc: Use image node_id 1 for calling a global function with example usage: pdb_env(request) without return types