Changelog for python3-tree-format-0.1.2-4.fc30.noarch.rpm :

* Thu Dec 27 2018 Miro Hrončok - 0.1.2-4- Subpackage python2-tree-format has been removed See https://fedoraproject.org/wiki/Changes/Mass_Python_2_Package_Removal
* Sat Jul 14 2018 Fedora Release Engineering - 0.1.2-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Tue Jun 19 2018 Miro Hrončok - 0.1.2-2- Rebuilt for Python 3.7
* Thu Mar 01 2018 Brett Lentz - 0.1.2-1- initial package