code: def warning(self, msg, *fmt_items):
      if fmt_items:
          msg = msg % fmt_items
      self.handler(dict(level="warning", msg=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 11 for calling the Logger obj's underlying member method code with example usage: obj.warning(msg) without return types