For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:xanders/openSUSE_Tumbleweed/home:xanders.repo
zypper refresh
zypper install python311-gbinder
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:xanders/openSUSE_Slowroll/home:xanders.repo
zypper refresh
zypper install python311-gbinder
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:xanders/15.6/home:xanders.repo
zypper refresh
zypper install python311-gbinder