code: def reset_callbacks():
      print("\npytest fixture - resetting callbacks")
      litellm.success_callback = []
      litellm._async_success_callback = []
      litellm.failure_callback = []
      litellm.callbacks = []
  
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 2 for calling a global function with example usage: reset_callbacks() without return types