This bug was fixed in the package apt - 1.6~alpha7ubuntu1
--------------- apt (1.6~alpha7ubuntu1) bionic; urgency=medium
* Try to work around test-method-mirror failure by setting umask at start
-- Julian Andres Klode <email address hidden> Wed, 31 Jan 2018 12:19:58 +0100
This bug was fixed in the package apt - 1.6~alpha7ubuntu1
---------------
apt (1.6~alpha7ubuntu1) bionic; urgency=medium
* Try to work around test-method-mirror failure by setting umask at start
-- Julian Andres Klode <email address hidden> Wed, 31 Jan 2018 12:19:58 +0100