code: def get_launch_trace_id(env: Optional[Env] = None) -> Optional[str]:
      if env is None:
          env = os.environ
      val = env.get(LAUNCH_TRACE_ID, None)
      return val
  
imports: import json
  import os
  import sys
  from distutils.util import strtobool
  from pathlib import Path
  from typing import List, MutableMapping, Optional, Union
  import appdirs
label_desc: Use image node_id 40 for calling a global function with example usage: get_launch_trace_id(env) and returns: val