abrt version: 1.1.13
architecture: x86_64
cmdline: python /usr/bin/pitivi
component: pitivi
executable: /usr/bin/pitivi
kernel: 2.6.35.4-28.fc14.x86_64
package: pitivi-0.13.4-3.fc14
reason: mainwindow.py:926:_settingsChangedCb:AttributeError: 'NoneType' object has no attribute 'videopar'
release: Fedora release 14 (Laughlin)
time: 1287447936
uid: 500

backtrace
-----
mainwindow.py:926:_settingsChangedCb:AttributeError: 'NoneType' object has no attribute 'videopar'

Traceback (most recent call last):
  File "/usr/share/pitivi/python/pitivi/ui/mainwindow.py", line 633, in _undoCb
    self.app.action_log.undo()
  File "/usr/share/pitivi/python/pitivi/undo.py", line 165, in undo
    self._runStack(stack, stack.undo)
  File "/usr/share/pitivi/python/pitivi/undo.py", line 205, in _runStack
    run()
  File "/usr/share/pitivi/python/pitivi/undo.py", line 80, in undo
    self._runAction(self.done_actions, "undo")
  File "/usr/share/pitivi/python/pitivi/undo.py", line 72, in _runAction
    method()
  File "/usr/share/pitivi/python/pitivi/projectmanager.py", line 49, in undo
    self.project.setSettings(self.oldsettings)
  File "/usr/share/pitivi/python/pitivi/project.py", line 135, in setSettings
    self.emit('settings-changed', oldsettings, settings)
  File "/usr/share/pitivi/python/pitivi/signalinterface.py", line 145, in emit
    *args, **kwargs)
  File "/usr/share/pitivi/python/pitivi/signalinterface.py", line 119, in emit
    res = cb(*ar, **kw)
  File "/usr/share/pitivi/python/pitivi/ui/mainwindow.py", line 926, in _settingsChangedCb
    self.viewer.setDisplayAspectRatio(float(new.videopar *
AttributeError: 'NoneType' object has no attribute 'videopar'

Local variables in innermost frame:
project: <pitivi.project.Project object at 0x2387690>
new: None
self: <PitiviMainWindow object at 0x2343f50 (GtkWindow at 0x24170a0)>
old: <pitivi.settings.ExportSettings object at 0x23af1d0>