just to let you know that vdsm jsut broke hosted engine on fedora.
Reason is that hosted engine is still building for python2 whiile vdsm is now being shipped for python3 only.
$ rpm -ql
https://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc28/noarch/vdsm-yajsonrpc-4.40.0-309.git0371e7531.fc28.noarch.rpm/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/betterAsyncore.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/betterAsyncore.cpython-36.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/exception.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/exception.cpython-36.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stomp.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stomp.cpython-36.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stompclient.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stompclient.cpython-36.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stompserver.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/__pycache__/stompserver.cpython-36.pyc
/usr/lib/python3.6/site-packages/yajsonrpc/betterAsyncore.py
/usr/lib/python3.6/site-packages/yajsonrpc/exception.py
/usr/lib/python3.6/site-packages/yajsonrpc/stomp.py
/usr/lib/python3.6/site-packages/yajsonrpc/stompclient.py
/usr/lib/python3.6/site-packages/yajsonrpc/stompserver.py
Rule doesn't apply to applications but yajsonrpc subpackage is a library package.