code: def start_ray():
      ray.init(ignore_reinit_error=True)
  
imports: from dataclasses import dataclass
  from typing import Any, Dict, List, Optional, Type
  import os
  import sys
  import pytest
  from fastapi import FastAPI
  import ray
  from ray.tests.pydantic_module import User, app, user, closure
label_desc: Use image node_id 1 for calling a global function with example usage: start_ray() without return types