python3-base from systemsmanagement:Uyuni:Master:Temp project

需要 SLE 12 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Master:Temp/SLE_12/systemsmanagement:Uyuni:Master:Temp.repo
zypper refresh
zypper install python3-base