Your package PyMca failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6930962 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903357 [details] build.log
Created attachment 903358 [details] root.log
Created attachment 903359 [details] state.log
Created attachment 910243 [details] Patch for rawhide Cause was -Werror=format-security; patch for rawhide attached.
Argh... My bad, I forgot to commit my changes to SCM. I remembered the last time I fixed this was in the last year, but package had problem at the start with segment fault. I will try rebuilding this soon.