This bug was fixed in the package ubuntu-release-upgrader - 1:16.10.5
--------------- ubuntu-release-upgrader (1:16.10.5) yakkety; urgency=medium
* DistUpgradeViewNonInteractive.py: Instead of tripping over errors when writing progress to stdout just ignore them so that the upgrade can continue. (LP: #1614576)
-- Brian Murray <email address hidden> Wed, 05 Oct 2016 10:40:39 -0700
This bug was fixed in the package ubuntu- release- upgrader - 1:16.10.5
--------------- release- upgrader (1:16.10.5) yakkety; urgency=medium
ubuntu-
* DistUpgradeView NonInteractive. py: Instead of tripping over errors when
writing progress to stdout just ignore them so that the upgrade can
continue. (LP: #1614576)
-- Brian Murray <email address hidden> Wed, 05 Oct 2016 10:40:39 -0700