Comment 15 for bug 1828293

Successfully tested for cosmic-proposed and disco-proposed:

root@c1:~# apt policy python3-neutron-fwaas-dashboard
python3-neutron-fwaas-dashboard:
  Installed: (none)
  Candidate: 1.5.0-0ubuntu3.1
  Version table:
     1.5.0-0ubuntu3.1 500
        500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe amd64 Packages
     1.5.0-0ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages
root@c1:~# sudo apt install --yes python3-neutron-fwaas-dashboard
...
root@c1:~# apt policy python3-neutron-fwaas-dashboard
python3-neutron-fwaas-dashboard:
  Installed: 1.5.0-0ubuntu3.1
  Candidate: 1.5.0-0ubuntu3.1
  Version table:
 *** 1.5.0-0ubuntu3.1 500
        500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     1.5.0-0ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages

python3-neutron-fwaas-dashboard:
  Installed: (none)
  Candidate: 2.0.1-0ubuntu1.1
  Version table:
     2.0.1-0ubuntu1.1 500
        500 http://archive.ubuntu.com/ubuntu disco-proposed/universe amd64 Packages
     2.0.1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu disco/universe amd64 Packages
root@d2:~# sudo apt install --yes python3-neutron-fwaas-dashboard
...
root@d2:~# apt policy python3-neutron-fwaas-dashboard:
python3-neutron-fwaas-dashboard:
  Installed: 2.0.1-0ubuntu1.1
  Candidate: 2.0.1-0ubuntu1.1
  Version table:
 *** 2.0.1-0ubuntu1.1 500
        500 http://archive.ubuntu.com/ubuntu disco-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     2.0.1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu disco/universe amd64 Packages