I managed to install the requirements of stein to repair the install
afterwards using pip and pip3
sudo pip install -c
https://git.openstack.org/cgit/openstack/requirements/plain/upper-
constraints.txt?h=stable/stein -r
https://raw.githubusercontent.com/openstack/horizon/stable/stein/requirements.
Public bug reported:
While trying to install openstack-dashboard it failled with the error:
WARNING:root:"dashboards" and "default_dashboard" in (local_)settings is
DEPRECATED now and may be unsupported in some future release. The preferred way
to specify the order of dashboards and the default
