CentOS7上部署seafile server出现问题，"python-imaging is not installed, Please install it first."

服务器问题
1

一开始是python-setuptools is not installed, Please install it first.
在bbs里搜到了，然后与https://bbs.seafile.com/t/centos7-x86-64-seafile/1088/4出现的问题一样了