install vim-powerline

1, install pip

dnf install python-pip

2,install powerline-status

pip install git+git://github.com/Lokaltog/powerline

3,set env PATH

PATH=$PATH:~/.local/bin/

4,set vimrc

set  rtp+=/usr/local/lib/python2.7/dist-packages/powerline/bindings/vim/
set laststatus=2
set t_Co=256

5,done