Traceback (most recent call last):
  File "/usr/bin/update-manager", line 121, in <module>
    app.start_update()
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 212, in start_update
    update_backend = get_backend(self, InstallBackend.ACTION_UPDATE)
  File "/usr/lib/python3/dist-packages/UpdateManager/backend/__init__.py", line 92, in get_backend
    from .InstallBackendAptdaemon import InstallBackendAptdaemon
  File "/usr/lib/python3/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py", line 10, in <module>
    from aptdaemon import client, errors
  File "/usr/lib/python3/dist-packages/aptdaemon/client.py", line 43, in <module>
    _GObject = GObject.GObject
  File "/usr/lib/python3/dist-packages/gi/__init__.py", line 62, in __getattr__
    raise AttributeError(_static_binding_error)
AttributeError: When using gi.repository you must not import static modules like "gobject". Please change all occurrences of "import gobject" to "from gi.repository import GObject". See: https://bugzilla.gnome.org/show_bug.cgi?id=709183