This will also produce a Traceback on Ubuntu 21.04 if gir1.2-gtk-4.0 is installed. In addition to the Traceback in comment #1 it can also produce the following one:
"Traceback (most recent call last):\n File \"/usr/lib/ubuntu-release- upgrader/check-new-release-gtk\", line 30, in <module>\n from gi.repository import Gtk\n File \"<frozen importlib._bootstrap>\", line 1007, in _find_and_load\n File \"<frozen importlib._bootstrap>\", line 986, in _find_and_load_unlocked\n File \"<frozen importlib._bootstrap>\", line 664, in _load_unlocked\n File \"<frozen importlib._bootstrap>\", line 627, in _load_backward_compatible\n File \"/usr/lib/python3/dist-packages/gi/importer.py\", line 145, in load_module\n dynamic_module = load_overrides(introspection_module)\n File \"/usr/lib/python3/dist-packages/gi/overrides/__init__.py\", line 118, in load_overrides\n override_mod = importlib.import_module(override_package_name)\n File \"/usr/lib/python3.9/importlib/__init__.py\", line 127, in import_module\n return _bootstrap._gcd_import(name[level:], package, level)\n File \"/usr/lib/python3/dist-packages/gi/overrides/Gtk.py\", line 168, in <module>\n class Container(Gtk.Container, Widget):\n File \"/usr/lib/python3/dist-packages/gi/module.py\", line 123, in __getattr__\n raise AttributeError(\"%r object has no attribute %r\" % (\nAttributeError: ''gi.repository.Gtk'' object has no attribute ''Container''\n" ** Also affects: ubuntu-release-upgrader (Ubuntu Hirsute) Importance: Undecided Status: New ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => In Progress ** Changed in: ubuntu-release-upgrader (Ubuntu) Assignee: (unassigned) => Brian Murray (brian-murray) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936698 Title: check-new-release-gtk crashed with ValueError in require_version(): Namespace Gtk is already loaded with version 4.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1936698/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs