[Bug 2080942] Re: latest upgrade breaks unattended-upgrades

[Patrick von der Hagen]

*** This bug is a duplicate of bug 2080940 ***
    https://bugs.launchpad.net/bugs/2080940

** This bug has been marked a duplicate of bug 2080940
   unattended-upgrades broken by python-upgrade

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https://bugs.launchpad.net/bugs/2080942

Title:
  latest upgrade breaks unattended-upgrades

Status in python3.10 package in Ubuntu:
  New

Bug description:
  The updates relating to the email module remove functionality required
  by applications like unattended upgrades. It has been confirmed with
  focal and jammy.

  I suppose it only affects the status report sent by email and hope
  unattended upgrades are still applied, but I didn't confirm this
  assumption.

  This has been reported to unattended-upgrades as well
  (https://bugs.launchpad.net/ubuntu/+source/unattended-
  upgrades/+bug/2080940), but I see more of an issue with python3.10,
  since I don't expect breaking changes in LTS.


  Sep 17 06:05:01 xxx systemd[1]: Starting Daily apt upgrade and clean activities...
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: Traceback (most recent call last):
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: File "/usr/bin/unattended-upgrade", line 2005, in main
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: send_summary_mail(res.pkgs, res.success, res.result_str,
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: File "/usr/bin/unattended-upgrade", line 1509, in send_summary_mail
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: ret = _send_mail_using_sendmail(from_email, to_email, subject, body)
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: File "/usr/bin/unattended-upgrade", line 1408, in _send_mail_using_sendmail
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: sendmail.stdin.write(msg.as_string())
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: File "/usr/lib/python3.10/email/message.py", line 151, in as_string
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: from email.generator import Generator
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: File "/usr/lib/python3.10/email/generator.py", line 17, in <module>
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: from email.errors import HeaderWriteError
  Sep 17 06:05:24 xxx apt.systemd.daily[1894012]: ImportError: cannot import name 'HeaderWriteError' from 'email.errors' (/usr/lib/python3.10/email/errors.py)

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