code: def get_class_signature(cls):
      try:
          class_signature = get_function_signature(cls.__init__)
          class_signature = class_signature.replace(
              "__init__", cls.__name__
          )
      except:
          # in case the class inherits from object and does not
          # define __init__
          class_signature = cls.__module__ + "." + cls.__name__ + "()"
      return class_signature
  
imports: from __future__ import print_function
  from __future__ import unicode_literals
  import re
  import inspect
  import os
  import shutil
  import sys
  import rl
  import rl.core
  import rl.processors
  import rl.agents
label_desc: Use image node_id 4 for calling a global function with example usage: get_class_signature(cls) and returns: class_signature