code: def set_message_trace(message_trace):
      _message_trace_var.set(message_trace)
  
imports: import asyncio.tasks
  import contextvars
  import json
  import logging
  import os
  import time
  from contextlib import contextmanager
  from dataclasses import dataclass
  from typing import List, Optional
  from ..utils import dataslots
label_desc: Use image node_id 9 for calling a global function with example usage: set_message_trace(message_trace) without return types