ussuri-proposed was already verified prior to the openstack-dashboard d/control update to set the min version of python3-swiftclient, which I've verified:
root@b1:~# apt policy openstack-dashboard openstack-dashboard: Installed: (none) Candidate: 3:18.3.2-0ubuntu0.20.04.3~cloud0
root@b1:~# apt policy python3-swiftclient python3-swiftclient: Installed: (none) Candidate: 1:3.9.0-0ubuntu1.1~cloud0
root@b1:~# sudo apt install openstack-dashboard --yes
root@b1:~# apt policy openstack-dashboard openstack-dashboard: Installed: 3:18.3.2-0ubuntu0.20.04.3~cloud0 Candidate: 3:18.3.2-0ubuntu0.20.04.3~cloud0
root@b1:~# apt policy python3-swiftclient python3-swiftclient: Installed: 1:3.9.0-0ubuntu1.1~cloud0 Candidate: 1:3.9.0-0ubuntu1.1~cloud0
ussuri-proposed was already verified prior to the openstack-dashboard d/control update to set the min version of python3- swiftclient, which I've verified:
root@b1:~# apt policy openstack-dashboard dashboard: 2-0ubuntu0. 20.04.3~ cloud0
openstack-
Installed: (none)
Candidate: 3:18.3.
root@b1:~# apt policy python3-swiftclient swiftclient: 0ubuntu1. 1~cloud0
python3-
Installed: (none)
Candidate: 1:3.9.0-
root@b1:~# sudo apt install openstack-dashboard --yes
root@b1:~# apt policy openstack-dashboard dashboard: 2-0ubuntu0. 20.04.3~ cloud0 2-0ubuntu0. 20.04.3~ cloud0
openstack-
Installed: 3:18.3.
Candidate: 3:18.3.
root@b1:~# apt policy python3-swiftclient swiftclient: 0ubuntu1. 1~cloud0 0ubuntu1. 1~cloud0
python3-
Installed: 1:3.9.0-
Candidate: 1:3.9.0-