code: def test_completion_anyscale_2():
      try:
          # litellm.set_verbose=True
          messages = [
              {"role": "system", "content": "You're a good bot"},
              {
                  "role": "user",
                  "content": "Hey",
              },
              {
                  "role": "user",
                  "content": "Hey",
              },
          ]
          response = completion(
              model="anyscale/meta-llama/Llama-2-7b-chat-hf",
              messages=messages,
          )
          print(response)
      except Exception as e:
          pytest.fail(f"Error occurred: {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 49 for calling a global function with example usage: test_completion_anyscale_2() without return types