Changelog for python3-contextlib2-0.4.0-2.fc23.noarch.rpm :
Thu Jun 18 14:00:00 2015 Fedora Release Engineering - 0.4.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild

Sat Apr 11 14:00:00 2015 Ralph Bean - 0.4.0-1
- Initial package for Fedora