python-os-traits from home:chajain:branches:Cloud:Openstack:Master project

需要 15.4 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:chajain:branches:Cloud:Openstack:Master/15.4/home:chajain:branches:Cloud:Openstack:Master.repo
zypper refresh
zypper install python-os-traits