需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow/openSUSE_Tumbleweed/devel:Factory:git-workflow.repo
zypper refresh
zypper install python-typing_extensions
需要 16.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow/16.0/devel:Factory:git-workflow.repo
zypper refresh
zypper install python-typing_extensions
需要 15.7 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow/15.7/devel:Factory:git-workflow.repo
zypper refresh
zypper install python-typing_extensions
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow/15.6/devel:Factory:git-workflow.repo
zypper refresh
zypper install python-typing_extensions