参考:
Ubuntu 安装 matplotlib
sudo apt-get install libpng-dev libfreetype6-dev pkg-config
pip install -i http://pypi.douban.com/simple configparser
cd /usr/local/lib/python2.7/dist-packages
wget http://pypi.doubanio.com/packages/16/d8/bc6316cf98419719bd59c91742194c111b6f2e85abac88e496adefaf7afe/six-1.11.0.tar.gz#md5=d12789f9baf7e9fb2524c0c64f1773f8
tar -zxvf six-1.11.0.tar.gz
cd six-1.11.0
sudo python setup.py install
pip install -i http://pypi.douban.com/simple prettyplotlib
pip install -i http://pypi.douban.com/simple matplotlib
2018.4