sphinx from home:wangyang:branches:OBS:Server:2.10 project
Select Your Operating System
Add repository and install manually
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wangyang:branches:OBS:Server:2.10/15.3/home:wangyang:branches:OBS:Server:2.10.repo zypper refresh zypper install sphinx