[Bug 2024641] Re: do-release-upgrade problem

[Chris Guiver]

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Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.

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** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2024641

Title:
  do-release-upgrade problem

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  main.log

  2023-06-22 10:12:14,691 INFO Using config files '['./DistUpgrade.cfg.xenial', '/etc/update-manager/release-upgrades.d/ubuntu-advantage-upgrades.cfg']'
  2023-06-22 10:12:14,691 INFO uname information: 'Linux horus 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64'
  2023-06-22 10:12:15,004 INFO apt version: '1.2.35'
  2023-06-22 10:12:15,005 INFO python version: '3.5.2 (default, Jan 26 2021, 13:30:48) 
  [GCC 5.4.0 20160609]'
  2023-06-22 10:12:15,008 INFO release-upgrader version '18.04.45' started
  2023-06-22 10:12:15,017 INFO locale: 'en_US' 'UTF-8'
  2023-06-22 10:12:15,056 INFO screen could not be run
  2023-06-22 10:12:15,109 ERROR not handled exception:
  Traceback (most recent call last):

    File "/tmp/ubuntu-release-upgrader-2hyt329p/bionic", line 8, in <module>
      sys.exit(main())

    File "/tmp/ubuntu-release-upgrader-2hyt329p/DistUpgrade/DistUpgradeMain.py", line 224, in main
      from .DistUpgradeController import DistUpgradeController

    File "/tmp/ubuntu-release-upgrader-2hyt329p/DistUpgrade/DistUpgradeController.py", line 52, in <module>
      from .DistUpgradeQuirks import DistUpgradeQuirks

    File "/tmp/ubuntu-release-upgrader-2hyt329p/DistUpgrade/DistUpgradeQuirks.py", line 36, in <module>
      from janitor.plugincore.manager import PluginManager

    File "/tmp/ubuntu-release-upgrader-2hyt329p/janitor/__init__.py", line 20, in <module>
      import pkg_resources

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2927, in <module>
      @_call_aside

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2913, in _call_aside
      f(*args, **kwargs)

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2952, in _initialize_master_working_set
      add_activation_listener(lambda dist: dist.activate())

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 956, in subscribe
      callback(dist)

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2952, in <lambda>
      add_activation_listener(lambda dist: dist.activate())

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2515, in activate
      declare_namespace(pkg)

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2097, in declare_namespace
      _handle_ns(packageName, path_item)

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2047, in _handle_ns
      _rebuild_mod_path(path, packageName, module)

    File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2066, in _rebuild_mod_path
      orig_path.sort(key=position_in_sys_path)

  AttributeError: '_NamespacePath' object has no attribute 'sort'

  2023-06-22 10:12:15,109 DEBUG running apport_crash()
  2023-06-22 10:12:15,110 ERROR failed to import apport python module, can't generate crash: No module named 'apport_python_hook'
  2023-06-22 10:12:15,110 DEBUG can't find apport

  lsb_release -rd
  Description:	Ubuntu 16.04.7 LTS
  Release:	16.04

  Im trying to update from Ubuntu 16 to Ubuntu 18

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