code: def post_process_signature(signature):
      parts = re.split(r"\.(?!\d)", signature)
      if len(parts) >= 4:
          if parts[1] == "layers":
              signature = "spektral.layers." + ".".join(parts[3:])
          if parts[1] == "utils":
              signature = "spektral.utils." + ".".join(parts[3:])
      return signature
  
imports: from __future__ import print_function, unicode_literals
  import glob
  import inspect
  import os
  import re
  import shutil
  from spektral import data, datasets, layers, models, transforms, utils
label_desc: Use image node_id 3 for calling a global function with example usage: post_process_signature(signature) and returns: signature