code: def shellcmd(self, msg, indent=False):
      if msg is not None:
          msg = dict(level="shellcmd", msg=msg)
          msg["indent"] = indent
          self.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 22 for calling the Logger obj's underlying member method code with example usage: obj.shellcmd(msg, indent) without return types