[Bug 53375] non-critical error while closing the preferences

[Alendit]

Public bug reported:

Binary package hint: deskbar-applet

While closing prefs there a error message:
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/deskbar/ui/DeskbarPreferencesUI.py", line 368, in on_check_handlers
    self.newstuff.check_all()
  File "/usr/lib/python2.4/site-packages/deskbar/updater/NewStuffUpdater.py", line 306, in check_all
    self.newstuff.GetAvailableUpdates(plugins, reply_handler=self.on_available_updates, error_handler=global_error_handler)
AttributeError: 'NoneType' object has no attribute 'GetAvailableUpdates'

Using fresh updated Edgy.

** Affects: deskbar-applet (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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non-critical error while closing the preferences
https://launchpad.net/bugs/53375