code: def get_model_path(self):
      model_path = _download_and_checksum_files(
          [(self.source_url, self.source_md5)], _get_cache_dir()
      )[0]
      return model_path
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import os
  import sys
  import requests
  import turicreate
  import hashlib
  from six.moves.urllib import parse
label_desc: Use image node_id 2 for calling the DrawingClassifierPreTrainedMLModel obj's underlying member method code with example usage: obj.get_model_path() and returns: model_path