Changelog for python3-pychm-0.8.6-1.fc31.x86_64.rpm :

* Sat Feb 02 2019 Fedora Release Engineering - 0.8.4.1-29- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Fri Jul 13 2018 Fedora Release Engineering - 0.8.4.1-28- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild