code: def init_manager() -> None:
      get_or_create_manager(warn_on_creation=False)
  
imports: import contextlib
  from dataclasses import dataclass
  import logging
  import os
  import ray
  from ray import cloudpickle
  from ray.types import ObjectRef
  from ray.workflow import common, workflow_storage
  from typing import Any, Dict, Generator, List, Optional, Tuple, TYPE_CHECKING
  from collections import ChainMap
  import io
label_desc: Use image node_id 1 for calling a global function with example usage: init_manager() without return types