配置emacs python环境所遇到的问题

为了方便直接安装elpy但是同样也是要在python-mode下才能运行

遇到如下问题：依托github issues link 解决问题：

https://github.com/jorgenschaefer/elpy/issues/737

‘error: Required feature ‘pyvenv’ was not provided’

Solved the same problem with GNU Emacs 25.1.1 by doing:

M-x package-reinstall pyvenv

M-x package-reinstall elpy

最终elpy得以安装成功，但是依旧compile fail，sometimes can print hello world or something like test print