Changelog for PyQt-3.18.1-31.fc23.x86_64.rpm :
Tue Jun 16 14:00:00 2015 Fedora Release Engineering - 3.18.1-31
- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild

Fri Jun 12 14:00:00 2015 Rex Dieter 3.18.1-30
- rebuild (sip)

Sat May 2 14:00:00 2015 Kalev Lember - 3.18.1-29
- Rebuilt for GCC 5 C++11 ABI change

Fri Aug 15 14:00:00 2014 Fedora Release Engineering - 3.18.1-28
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild