Agent launch fails due to empty host name

Oct 22 08:15:52 vmbuilder pipenv[32220]: ERROR:application.py:160(1811): Connection to a service failed
Oct 22 08:15:52 vmbuilder pipenv[32220]: Traceback (most recent call last):
Oct 22 08:15:52 vmbuilder pipenv[32220]:   File "/home/vmbuilder/qt-ci/src/application.py", line 154, in __aenter__
Oct 22 08:15:52 vmbuilder pipenv[32220]:     return self.MethodProxy(self.context.__enter__(*args, **keys), [])
Oct 22 08:15:52 vmbuilder pipenv[32220]:   File "/home/vmbuilder/python3.6.8/lib/python3.6/contextlib.py", line 81, in __enter__
Oct 22 08:15:52 vmbuilder pipenv[32220]:     return next(self.gen)
Oct 22 08:15:52 vmbuilder pipenv[32220]:   File "/home/vmbuilder/.local/share/virtualenvs/qt-ci-PP3Pl_4N/lib/python3.6/site-packages/thriftpy2/rpc.py", line 106, in client_context
Oct 22 08:15:52 vmbuilder pipenv[32220]:     raise ValueError("Either host/port or unix_socket must be provided.")
Oct 22 08:15:52 vmbuilder pipenv[32220]: ValueError: Either host/port or unix_socket must be provide