Para 15.7 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:ojkastl_buildservice:Branch_systemsmanagement_ansible/15.7/home:ojkastl_buildservice:Branch_systemsmanagement_ansible.repo
zypper refresh
zypper install python-flit-core
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:ojkastl_buildservice:Branch_systemsmanagement_ansible/15.6/home:ojkastl_buildservice:Branch_systemsmanagement_ansible.repo
zypper refresh
zypper install python-flit-core