[Bug 2003970] Re: Autopkgtest regression in python3.11

[Launchpad Bug Tracker]

This bug was fixed in the package ubiquity - 23.04.4

---------------
ubiquity (23.04.4) lunar; urgency=medium

  * mktemplates.base: add more logging to ease diagnosis for failed
builds

 -- Olivier Gayot <olivier.gayot at canonical.com>  Fri, 27 Jan 2023
07:47:28 -0800

** Changed in: ubiquity (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/2003970

Title:
  Autopkgtest regression in python3.11

Status in ubiquity package in Ubuntu:
  Fix Released

Bug description:
  Autopkgtest fails with Python 3.11 with the following exception:

  ERROR: test_set_gnome_keyboard_layout_to_existing_layout (test_ubi_console_setup.TestPage.test_set_gnome_keyboard_layout_to_existing_layout)
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "/usr/lib/python3.11/unittest/mock.py", line 1366, in patched
      with self.decoration_helper(patched,
    File "/usr/lib/python3.11/contextlib.py", line 137, in __enter__
      return next(self.gen)
             ^^^^^^^^^^^^^^
    File "/usr/lib/python3.11/unittest/mock.py", line 1348, in decoration_helper
      arg = exit_stack.enter_context(patching)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/usr/lib/python3.11/contextlib.py", line 502, in enter_context
      result = _enter(cm)
               ^^^^^^^^^^
    File "/usr/lib/python3.11/unittest/mock.py", line 1421, in __enter__
      self.target = self.getter()
                    ^^^^^^^^^^^^^
    File "/usr/lib/python3.11/pkgutil.py", line 688, in resolve_name
      raise ValueError(f'invalid format: {name!r}')
  ValueError: invalid format: 'ubi-console-setup.gsettings'

  Since Python3.11, unittest.mock uses pkgutil.resolve_name which only
  accepts valid python module identifiers.

  The change was introduced as part of:
   * github issue: https://github.com/python/cpython/issues/88852
   * github PR: https://github.com/python/cpython/pull/18544

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