In file included from greenlet.c:5:0:
greenlet.h:8:20: 致命错误： Python.h：没有那个文件或目录
编译中断。
error: Setup script exited with error: command 'gcc' failed with exit status 1
解决方法是安装python-dev，这是Python的头文件和静态库包:
sudo apt-get install python-dev
如果这个python-dev无法更新，就更新一下源