code: def test_re_use_openaiClient():
      try:
          print("gpt-3.5  with client test\n\n")
          litellm.set_verbose = True
          import openai
  
          client = openai.OpenAI(
              api_key=os.environ["OPENAI_API_KEY"],
          )
          ## Test OpenAI call
          for _ in range(2):
              response = litellm.completion(
                  model="gpt-3.5-turbo",
                  messages=messages,
                  client=client,
              )
              print(f"response: {response}")
      except Exception as e:
          pytest.fail("got Exception", e)
  
imports: import sys, os
  import traceback
  from dotenv import load_dotenv
  import os, io
  import pytest
  import litellm
  from litellm import embedding, completion, completion_cost, Timeout
  from litellm import RateLimitError
  import openai
label_desc: Use image node_id 27 for calling a global function with example usage: test_re_use_openaiClient() without return types