code: def download_model(model_file_name, model_url):
      model_dir = os.path.dirname(os.path.abspath(__file__))
      filename = os.path.join(model_dir, model_file_name)
      if not os.path.exists(filename):
          print(
              "Downloading model from "
              + model_url
              + ", may take a while..."
          )
          urlretrieve(model_url, filename)
          print("Saved model as " + filename)
      else:
          print("CNTK model already available at " + filename)
  
imports: from __future__ import print_function
  import os
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: download_model(model_file_name, model_url) without return types