python-nose_warnings_filters from home:mlin7442:keep_py36 project

需要 openSUSE Backports SLE-15-SP6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:mlin7442:keep_py36/openSUSE_Backports_SLE-15-SP6/home:mlin7442:keep_py36.repo
zypper refresh
zypper install python-nose_warnings_filters