"ImportError: No module named request" error

[caofangkun]

urllib.request modules have been deprecated,
urllib.request.urlretrieve should be urllib.urlretrieve

➜  face-generation git:(master) python --version 
Python 2.7.14 :: Anaconda custom (64-bit)

➜  face-generation git:(master) jupyter notebook dlnd_face_generation.ipynb

  File "helper.py", line 215
    self.image_mode)
SyntaxError: only named arguments may follow *expression

[caofangkun]

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-1-2fe1a6e71a9d> in <module>()
      8 DON'T MODIFY ANYTHING IN THIS CELL
      9 """
---> 10 import helper
     11 
     12 helper.download_extract('mnist', data_dir)

/home/ablecao/workspace/cn-deep-learning/face-generation/helper.py in <module>()
      2 import os
      3 import hashlib
----> 4 from urllib.request import urlretrieve
      5 import zipfile
      6 import gzip

ImportError: No module named request

[caofangkun]

Python 3.* should use:
from unittest import mock

Python 2.* use:
from mock import mock