code: def handler(self, msg):
      msg["timestamp"] = time.time()
      for handler in self.log_handler:
          handler(msg)
  
imports: import logging
  import platform
  import time
  import datetime
  import sys
  import os
  import json
  import threading
  from functools import partial
  import inspect
  import textwrap
label_desc: Use image node_id 5 for calling the Logger obj's underlying member method code with example usage: obj.handler(msg) without return types