ERROR: Cannot uninstall 'wrapt'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
解决方案：删除'XXX..egg-info'文件，然后就不会报错啦。
找不到 mpc.h ，用源码安装 mpc-1.0.3.tar.gz 。
找不到mpfr.h，用源码安装mpfr-3.1.0.tar.gz
