class_docstr: Base class for logging messages.
      
code: def info(self, msg):
      logging.info("[%s]: %s" % (self, msg))
  
imports: from __future__ import print_function
  import time
  import sys
  import os
  import shutil
  import logging
  import pprint
  from .disk import mkdirp
label_desc: Use image node_id 3 for calling the Logger obj's underlying member method code with example usage: obj.info(msg) without return types