code: def get_inherit(inherit_str):
      """
      Check if there is a parent class
      """
      if inherit_str is None:
          return ""
      else:
          return inherit_str
  
imports: from __future__ import print_function
  import re
label_desc: Use image node_id 3 for calling a global function with example usage: get_inherit(inherit_str) and returns: str, inherit_str