[ovirt-users] ovirt-engine-3.6.2.4 engine-setup failed

Hello, I cloned the project from https://github.com/oVirt/ovirt-engine, and make clean install PREFIX="/home/worker/ovirt-engine". After make install successfully, I try ./bin/engine-setup, get the following error. Please confirm installation settings (OK, Cancel) [OK]: [ INFO ] Stage: Transaction setup [ INFO ] Stage: Misc configuration [ INFO ] Stage: Package installation [ INFO ] Yum Status: Downloading Packages [ INFO ] Yum Download/Verify: antlr-tool-2.7.7-30.el7.noarch ... ... ... [ INFO ] Configuring PostgreSQL [ ERROR ] Failed to execute stage 'Misc configuration': 'str' object has no attribute 'isResolvedByDNS' [ INFO ] Yum Performing yum transaction rollback ... ...