Changelog for python3-authheaders-0.12.0-lp152.1.2.noarch.rpm :

* Thu Jan 23 2020 pgajdosAATTsuse.com- do not require python-cffi for 15, it will be required by python-PyNaCl
* Fri Jan 10 2020 pgajdosAATTsuse.com- fix build in SLE-15: set en_US.UTF-8 encoding
* Mon Dec 02 2019 pgajdosAATTsuse.com- call spec-cleaner
* Wed Sep 25 2019 pgajdosAATTsuse.com- initial version 0.12.0, required by python-mailman [SLE-7686]