You are using pip version 9.0.1, however version 9.0.3 is available.

1,pip不能用了,提示:You are using pip version 8.1.1, however version 9.0.1 is available.网上搜索了一箩筐的安装程序,各种安装,最后终于完成了

2,到https://pypi.python.org/pypi/pip

3,选择第二个,

4,下载后,解压缩一下

tar -zvxf pip-9.0.3.tar.gz

5,进入解压的文件,安装

cd pip-9.0.3

sudo python setup.py install

6,查看版本

pip --version

7,Successfully !