需要 openSUSE Leap 15.2 ,用 root 執行:
zypper addrepo https://download.opensuse.org/repositories/M17N:l10n.opensuse.org:Backports-2021.07/openSUSE_Leap_15.2/M17N:l10n.opensuse.org:Backports-2021.07.repo
zypper refresh
zypper install python-sphinxcontrib-serializinghtml