code: def log_pre_api_call(self, model, messages, kwargs):
      print(f"Pre-API Call")
  
imports: import sys, os
  import traceback
  from dotenv import load_dotenv
  import os, io
  import pytest, logging, asyncio
  import litellm
  from litellm import embedding, completion, completion_cost, Timeout
  from litellm import RateLimitError
  from fastapi.testclient import TestClient
  from fastapi import FastAPI
  from litellm.proxy.proxy_server import router, save_worker_config, initialize
  from litellm.integrations.custom_logger import CustomLogger
  from litellm.proxy.proxy_server import ProxyConfig
label_desc: Use image node_id 1 for calling the MyCustomHandler obj's underlying member method code with example usage: obj.log_pre_api_call(model, messages, kwargs) without return types