code: def test_try_loading_model_from_frozen_txt(self):
      model_path = self.frozen_graph_dir + "graph.pbtxt"
      self._check_output_and_gradient(model_path, import_prefix=True)
  
file_path: tcav/tcav/model_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  from tensorflow.python.framework import graph_util
  from tensorflow.python.platform import googletest
  from tcav.model import ModelWrapper
label_desc: Use image node_id 7 for calling the ModelTest obj's underlying member method code with example usage: obj.test_try_loading_model_from_frozen_txt() without return types