https://bugzilla.redhat.com/show_bug.cgi?id=1769297
--- Comment #8 from Aniket Pradhan aniketpradhan1999@gmail.com --- Thanks a lot, Elliott!
I set the PATH to point to %{buildroot}%{python3_sitearch} where the package is installed, and the tests now pass successfully [1]. I also shifted from nose to pytest. I hope there are no problems now. :D
[1]: https://koji.fedoraproject.org/koji/taskinfo?taskID=38841256
P.S. I have updated the spec and the SRPM on the above-mentioned URLs.