This bug was fixed in the package grub2-signed - 1.85.1
--------------- grub2-signed (1.85.1) artful; urgency=medium
* Rebuild against grub2 2.02~beta3-4ubuntu7.1. (LP: #1734278, #1708245)
-- Mathieu Trudel-Lapierre <email address hidden> Wed, 13 Dec 2017 14:36:57 -0500
This bug was fixed in the package grub2-signed - 1.85.1
---------------
grub2-signed (1.85.1) artful; urgency=medium
* Rebuild against grub2 2.02~beta3- 4ubuntu7. 1. (LP: #1734278, #1708245)
-- Mathieu Trudel-Lapierre <email address hidden> Wed, 13 Dec 2017 14:36:57 -0500