ImportError: No module named 'memcache'

sudo pip install python-memcached

完成之后，

$ python3
Python 3.5.2 (default, Nov 17 2016, 17:05:23) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import memcache
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'memcache'

报错。
解决：

sudo pip3 install python3-memcached

参考文献：
1. pip install python3-memcached fails。