code: def _single_thread_download(url, file_name):
      from six.moves import urllib
  
      result, _ = urllib.request.urlretrieve(
          url, file_name, _progress_check
      )
      return result
  
file_path: MMdnn/mmdnn/conversion/common/utils.py
imports: from __future__ import division
  import os
  import sys
  import numpy
  from six import text_type, binary_type, integer_types
  import mmdnn.conversion.common.IR.graph_pb2
label_desc: Use image node_id 11 for calling a global function with example usage: _single_thread_download(url, file_name) and returns: result