https://bugzilla.redhat.com/show_bug.cgi?id=2144838
--- Comment #11 from Ankur Sinha (FranciscoD) sanjay.ankur@gmail.com --- Good catch. Removed them all, and it still builds:
https://src.fedoraproject.org/fork/ankursinha/rpms/python-cattrs/c/f84625a01...