code: def __init__(self, model_name, proto, output_dir):
      self._output_file = "%s/%s_index.html" % (output_dir, model_name)
      print("Store to html file: %s" % self._output_file)
      self._proto = proto
  
file_path: mace/tools/python/visualize/visualize_model.py
imports: import os
  import json
  import numpy
  from google.protobuf.json_format import _Printer
label_desc: Use image node_id 1 to create a new ModelVisualizer object from inherited base classes: object with example: obj = ModelVisualizer(model_name, proto, output_dir)