[Bug 1795696] Re: /usr/bin/unattended-upgrade:UnboundLocalError:/usr/bin/unattended-upgrade at 1991:main:do_auto_remove

[Michael]

> The overall effect seems to be installing security updates one day
later in some rare cases.

Are you sure about that?

root at lab:~# journalctl  | grep -i unbound
[...]
Mar 01 06:33:17 lab apt.systemd.daily[4984]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 02 06:17:17 lab apt.systemd.daily[15459]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 03 06:37:37 lab apt.systemd.daily[25767]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 04 06:42:43 lab apt.systemd.daily[3280]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 05 06:46:11 lab apt.systemd.daily[16970]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 06 06:13:43 lab apt.systemd.daily[30101]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 07 06:08:17 lab apt.systemd.daily[10414]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 08 06:25:43 lab apt.systemd.daily[23872]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 09 06:34:18 lab apt.systemd.daily[4459]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 10 06:02:57 lab apt.systemd.daily[15978]: UnboundLocalError: local variable 'res' referenced before assignment
Mar 11 06:36:01 lab apt.systemd.daily[29894]: UnboundLocalError: local variable 'res' referenced before assignment

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https://bugs.launchpad.net/bugs/1795696

Title:
  /usr/bin/unattended-upgrade:UnboundLocalError:/usr/bin/unattended-
  upgrade at 1991:main:do_auto_remove

Status in unattended-upgrades package in Ubuntu:
  Fix Released
Status in unattended-upgrades source package in Bionic:
  Confirmed

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades.  This problem was most recently seen with package version 1.1ubuntu1.18.04.5, the problem page at https://errors.ubuntu.com/problem/651a7b7a070dd794d8cf2f5ea8e974614fdedb8e contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

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