This bug was fixed in the package debian-installer - 20101020ubuntu543.19
--------------- debian-installer (20101020ubuntu543.19) bionic; urgency=medium
* Fix Vcs-Bzr branch target. * Rebuild against shim-signed 1.37~18.04.11+15.4-0ubuntu9. LP: #1937115.
-- Steve Langasek <email address hidden> Tue, 14 Sep 2021 14:36:54 -0700
This bug was fixed in the package debian-installer - 20101020ubuntu5 43.19
--------------- 543.19) bionic; urgency=medium
debian-installer (20101020ubuntu
* Fix Vcs-Bzr branch target. 04.11+15. 4-0ubuntu9. LP: #1937115.
* Rebuild against shim-signed 1.37~18.
-- Steve Langasek <email address hidden> Tue, 14 Sep 2021 14:36:54 -0700