code: def _should_enforce():
      enforce = os.getenv(
          "SETUPTOOLS_ENFORCE_DEPRECATION", "false"
      ).lower()
      return enforce in ("true", "on", "ok", "1")
  
file_path: catboost/contrib/python/setuptools/py3/setuptools/warnings.py
imports: import os
  import warnings
  from datetime import date
  from inspect import cleandoc
  from textwrap import indent
  from typing import Optional, Tuple
label_desc: Use image node_id 1 for calling a global function with example usage: _should_enforce() and returns: unknown