Your package python-greenlet failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17785292 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1253745 [details] build.log
Created attachment 1253746 [details] root.log
Created attachment 1253747 [details] state.log
https://github.com/python-greenlet/greenlet/issues/119 prevents building on ppc64/ppc64le.
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.