Changelog for python310-backports_abc-0.5-qubes.bp155.2.6.noarch.rpm :

* Thu Apr 06 2017 jmatejekAATTsuse.com- update for singlespec (this is the one backports module that we need in python 3.4 too)- update to 0.5
* support old-style (mro-missing) classes
* Wed Dec 16 2015 aboe76AATTgmail.com- Initial version