code: def test_serialize_imported_instance(start_ray, BaseModel: Type):
      ray.get(ray.put(user))
  
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 5 for calling a global function with example usage: test_serialize_imported_instance(start_ray, BaseModel) without return types