python3-minidb from home:jayvdb:py-backports project
Select Your Operating System
Add repository and install manually
For SLE 15 SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jayvdb:py-backports/SLE_15_SP1/home:jayvdb:py-backports.repo zypper refresh zypper install python3-minidb