code: def _suspend_init_main():
      try:
          _init_main_suspended_local.value = True
          yield
      finally:
          _init_main_suspended_local.value = False
  
imports: import asyncio
  import concurrent.futures
  import contextlib
  import logging.config
  import multiprocessing
  import os
  import random
  import signal
  import sys
  import threading
  import uuid
  from dataclasses import dataclass
  from types import TracebackType
  from typing import List
  from ....utils import dataslots, ensure_coverage, reset_id_random_seed
  from ..config import ActorPoolConfig
  from ..message import CreateActorMessage
  from ..pool import MainActorPoolBase, SubActorPoolBase, _register_message_handler
label_desc: Use image node_id 2 for calling a global function with example usage: _suspend_init_main() without return types