Changelog for python3-pypng-0.0.16-3.fc21.noarch.rpm :
Sat Jun 7 14:00:00 2014 Fedora Release Engineering - 0.0.16-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild

Wed May 28 14:00:00 2014 Kalev Lember - 0.0.16-2
- Rebuilt for https://fedoraproject.org/wiki/Changes/Python_3.4

Fri May 9 14:00:00 2014 Ralph Bean - 0.0.16-1
- initial package for Fedora