code: def hf_test_completion_tgi():
      # litellm.set_verbose=True
      try:
          response = completion(
              model="huggingface/HuggingFaceH4/zephyr-7b-beta",
              messages=[
                  {"content": "Hello, how are you?", "role": "user"}
              ],
          )
          # Add any assertions here to check the response
          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 13 for calling a global function with example usage: hf_test_completion_tgi() without return types