python-virtue from devel:languages:python:backports project

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:backports/15.6/devel:languages:python:backports.repo
zypper refresh
zypper install python-virtue

对于 15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:backports/15.5/devel:languages:python:backports.repo
zypper refresh
zypper install python-virtue

对于 15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:backports/15.4/devel:languages:python:backports.repo
zypper refresh
zypper install python-virtue

对于 15.4 py39，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:backports/15.4_py39/devel:languages:python:backports.repo
zypper refresh
zypper install python-virtue