gss 4 安装PIL - nuanxin1111/react GitHub Wiki
###第一步
sudo apt-get install python-dev
sudo apt-get install libjpeg-dev
sudo apt-get install libjpeg8-dev
sudo apt-get install libpng3
sudo apt-get install libfreetype6-dev
###第二步
cd usr/include/
ln -s freetype2 freetype
###第三步
workon rango
pip install PIL --allow-unverified PIL --allow-all-external