code: def download_file(file_url, path):
      urlretrieve(file_url, path)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import shutil
  import sys
  import tf_euler
  from euler.tools.generate_euler_data import EulerGenerator
label_desc: Use image node_id 8 for calling the DataSet obj's underlying member method code with example usage: obj.download_file(file_url, path) without return types