Your package ipython failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=5731581 Build logs: root.log: http://kojipkgs.fedoraproject.org/work/tasks/1581/5731581/root.log build.log: http://kojipkgs.fedoraproject.org/work/tasks/1581/5731581/build.log state.log: http://kojipkgs.fedoraproject.org/work/tasks/1581/5731581/state.log NOTE: build logs are cleaned up after 1 week For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
Now building in rawhide: http://koji.fedoraproject.org/koji/taskinfo?taskID=5779039 It was an error in python-zmq and not ipython.