code: def test_handlers():
      out, deb, vrb, err = logger.handlers
  
      assert out.level == logging.INFO
      assert deb.level == logging.DEBUG
      assert vrb.level == logging.TRACE
      assert err.level == logging.WARNING
  
imports: import logging
  import time
  import traceback
  from datetime import datetime
  import colorama
  import pytest
  import dvc.logger
  from dvc.exceptions import DvcException
label_desc: Use image node_id 2 for calling a global function with example usage: test_handlers() without return types