[Bug 1873536] [NEW] /usr/bin/unattended-upgrade:apt_pkg.Error:/usr/bin/unattended-upgrade at 2512:main:run:conffile_prompt

[errors.ubuntu.com bug bridge]

Public bug reported:

Traceback (most recent call last):
  File "/usr/bin/unattended-upgrade", line 2512, in <module>
    sys.exit(main(options))
  File "/usr/bin/unattended-upgrade", line 1983, in main
    res = run(options, rootdir, mem_log, logfile_dpkg,
  File "/usr/bin/unattended-upgrade", line 2232, in run
    if conffile_prompt(item.destfile):
  File "/usr/bin/unattended-upgrade", line 1236, in conffile_prompt
    deb = apt_inst.DebFile(destFile)
apt_pkg.Error: E:Invalid archive signature

The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades.  This problem was most recently seen with package version 2.3, the problem page at https://errors.ubuntu.com/problem/6889811b0d0f066ff5789f7b90b61056bf2fa859 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/.

** Affects: unattended-upgrades (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: focal

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https://bugs.launchpad.net/bugs/1873536

Title:
  /usr/bin/unattended-upgrade:apt_pkg.Error:/usr/bin/unattended-
  upgrade at 2512:main:run:conffile_prompt

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  Traceback (most recent call last):
    File "/usr/bin/unattended-upgrade", line 2512, in <module>
      sys.exit(main(options))
    File "/usr/bin/unattended-upgrade", line 1983, in main
      res = run(options, rootdir, mem_log, logfile_dpkg,
    File "/usr/bin/unattended-upgrade", line 2232, in run
      if conffile_prompt(item.destfile):
    File "/usr/bin/unattended-upgrade", line 1236, in conffile_prompt
      deb = apt_inst.DebFile(destFile)
  apt_pkg.Error: E:Invalid archive signature

  The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades.  This problem was most recently seen with package version 2.3, the problem page at https://errors.ubuntu.com/problem/6889811b0d0f066ff5789f7b90b61056bf2fa859 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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