abstractproperty is the only way to make this work on Python 2.
abstractproperty is the only way to make this work on Python 2.

cmin764/argus-ci,micumatei/cloudbase-init-ci,AlexandruTudose/cloudbase-init-ci,cloudbase/cloudbase-init-ci,PCManticore/argus-ci,stefan-caraiman/cloudbase-init-ci