Comment 1 for bug 1804550

This issue was seen in Debian and I filed LP: #1802586 to keep the package in disco-proposed until it is fixed.

Please make sure that you don't have -proposed updates enabled if you are using a development release of Ubuntu.

https://askubuntu.com/questions/785414/is-it-ok-to-enable-proposed-updates-during-ubuntus-development-cycle