code: def __init__(self, name, return_type, args, doc=""):
      self.name = name
      self.return_type = _repl(return_type)
      self.args = args
      self.doc = doc
  
imports: import hashlib
  import io
  import os
  import re
  import sys
  import importlib.util
  import textwrap
  from os.path import join
label_desc: Use image node_id 1 to create a new Function object  with example: obj = Function(name, return_type, args, doc)