Could not install packages due to an EnvironmentError: [Errno 13] 权限不够: '/usr/local/lib/python2.7/dist-packages/six.pyc'
Consider using the `--user` option or check the permissions.

sudo pip install --upgrade pip

加个--user即可
pip install --user 需要install的文件

pip install tensorflow --user
或者
sudo pip install tensorflow