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Kajiki declares a setuptools entry point and seems to use Babel for extracting template content so it can be translated using the gettext mechanism. In Fedora the "babel" package just contains the executable with the real code in python-babel. Babel queries the entry point in its main python code so python-kajiki should depend on python-babel. In your (disabled) Python 3 section you already depend on python3-babel which is the equivalent to python-babel. Btw: python3-babel is in testing currently (bug 1014560).
Thanks, Felix. Fixed in rawhide: http://koji.fedoraproject.org/koji/taskinfo?taskID=6036401