abrt 1.0.9 detected a crash.

architecture: x86_64
cmdline: python /usr/bin/pitivi
comment: I was slicing video, and pressing remove to get rid of junk parts.
component: pitivi
executable: /usr/bin/pitivi
kernel: 2.6.33.2-57.fc13.x86_64
package: pitivi-0.13.3-3.3.837f0d73.fc13
reason: controller.py:81:pos:AttributeError: 'NoneType' object has no attribute 'get_bounds'
release: Fedora release 13 (Goddard)

backtrace
-----
controller.py:81:pos:AttributeError: 'NoneType' object has no attribute 'get_bounds'

Traceback (most recent call last):
  File "/usr/share/pitivi/python/pitivi/ui/controller.py", line 140, in button_release_event
    self._drag_end(item, self._dragging, event)
  File "/usr/share/pitivi/python/pitivi/ui/controller.py", line 183, in _drag_end
    if self._ptr_within and self._drag_threshold():
  File "/usr/share/pitivi/python/pitivi/ui/controller.py", line 195, in _drag_threshold
    last = self.pos(self._dragging)
  File "/usr/share/pitivi/python/pitivi/ui/controller.py", line 81, in pos
    bounds = item.get_bounds()
AttributeError: 'NoneType' object has no attribute 'get_bounds'

Local variables in innermost frame:
item: None
self: <pitivi.ui.trackobject.Controller object at 0x34175d0>