code: def checkfrozen(f):
      if f == "tensorflow_frozen":
          return "tensorflow"
      else:
          return f
  
file_path: MMdnn/tests/utils.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  import os
  import unittest
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: checkfrozen(f) and returns: str, f