code: def _ext_debug(*args, **kwargs):
      if DEBUG_EXT:
          init_str = "%s:" % EXT_PKG
          kwargs["file"] = sys.stderr
          print(init_str, *args, **kwargs)
  
imports: from __future__ import print_function
  import importlib
  import json
  import os
  import re
  import sys
  import types
  from collections import defaultdict, namedtuple
  from importlib.abc import MetaPathFinder, Loader
  from itertools import chain
label_desc: Use image node_id 12 for calling a global function with example usage: _ext_debug() without return types