Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke/openSUSE_Tumbleweed/home:mnhauke.repo
zypper refresh
zypper install python-python-pptx
Para openSUSE Factory ARM execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke/openSUSE_Factory_ARM/home:mnhauke.repo
zypper refresh
zypper install python-python-pptx
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke/15.6/home:mnhauke.repo
zypper refresh
zypper install python-python-pptx