For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Ionic:branches:Linux-PAM/openSUSE_Tumbleweed/home:Ionic:branches:Linux-PAM.repo
zypper refresh
zypper install pam-python
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Ionic:branches:Linux-PAM/15.4/home:Ionic:branches:Linux-PAM.repo
zypper refresh
zypper install pam-python
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Ionic:branches:Linux-PAM/15.3/home:Ionic:branches:Linux-PAM.repo
zypper refresh
zypper install pam-python