code: def __str__(self):
      return str(self.fn(*self.args, **self.kwargs))
  
file_path: snips-nlu/snips_nlu/common/log_utils.py
imports: from __future__ import unicode_literals
  from builtins import str
  from datetime import datetime
  from functools import wraps
  from snips_nlu.common.utils import json_debug_string
label_desc: Use image node_id 2 for calling the DifferedLoggingMessage obj's underlying member method code with example usage: obj.__str__() and returns: str