Для openSUSE Slowroll запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:illuusio/openSUSE_Slowroll/home:illuusio.repo
zypper refresh
zypper install python-pybind11-stubgen
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:illuusio/16.0/home:illuusio.repo
zypper refresh
zypper install python-pybind11-stubgen
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:illuusio/15.6/home:illuusio.repo
zypper refresh
zypper install python-pybind11-stubgen