Changelog for python3-pyasn-1.6.0b1-4.1.x86_64.rpm :

* Tue Nov 21 2017 sebix+novell.comAATTsebix.at- also require python for RHEL
* Mon May 29 2017 sebix+novell.comAATTsebix.at- centos: explicitly require python34
* Sat Dec 10 2016 sebix+novell.comAATTsebix.at- first package