Problem has been introduced by https://github.com/openstack/os-client-config/commit/b5d65b74f60ce743b03b49a6c176700d658cfe98. Reverting it, it works as expected.
Problem has been introduced by https:/ /github. com/openstack/ os-client- config/ commit/ b5d65b74f60ce74 3b03b49a6c17670 0d658cfe98. Reverting it, it works as expected.