pip install urllib3[secure] 报错 error: ffi.h: No such file or directory

 解决

sudo apt-get install build-essential autoconf libtool pkg-config python-opengl python-imaging python-pyrex python-pyside.qtopengl idle-python2.7 qt4-dev-tools qt4-designer libqtgui4 libqtcore4 libqt4-xml libqt4-test libqt4-script libqt4-network libqt4-dbus python-qt4 python-qt4-gl libgle3 python-dev

来源:
https://stackoverflow.com/questions/22571848/debugging-the-error-gcc-error-x86-64-linux-gnu-gcc-no-such-file-or-directory