Version-Release number of selected component:
pitivi-0.92-1.fc20

Additional info:
reporter:       libreport-2.1.12
cmdline:        python2 /usr/bin/pitivi
executable:     /usr/bin/pitivi
kernel:         3.13.3-201.fc20.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
previewers.py:815:_compute_geometry:AttributeError: 'NoneType' object has no attribute 'get_asset'

Traceback (most recent call last):
  File "/usr/share/pitivi/python/pitivi/medialibrary.py", line 330, in _insertEndCb
    self.app.gui.timeline_ui.insertEnd(self.getSelectedAssets())
  File "/usr/share/pitivi/python/pitivi/timeline/timeline.py", line 770, in insertEnd
    self._setBestZoomRatio()
  File "/usr/share/pitivi/python/pitivi/timeline/timeline.py", line 1078, in _setBestZoomRatio
    Zoomable.setZoomLevel(nearest_zoom_level)
  File "/usr/share/pitivi/python/pitivi/utils/timeline.py", line 382, in setZoomLevel
    cls.setZoomRatio(cls.computeZoomRatio(level))
  File "/usr/share/pitivi/python/pitivi/utils/timeline.py", line 375, in setZoomRatio
    cls._zoomChanged()
  File "/usr/share/pitivi/python/pitivi/utils/timeline.py", line 436, in _zoomChanged
    inst.zoomChanged()
  File "/usr/share/pitivi/python/pitivi/timeline/previewers.py", line 790, in zoomChanged
    self._maybeUpdate()
  File "/usr/share/pitivi/python/pitivi/timeline/previewers.py", line 797, in _maybeUpdate
    self._compute_geometry()
  File "/usr/share/pitivi/python/pitivi/timeline/previewers.py", line 815, in _compute_geometry
    real_duration = self.bElement.get_parent().get_asset().get_duration()
AttributeError: 'NoneType' object has no attribute 'get_asset'

Local variables in innermost frame:
start: 0
self: <AudioPreviewer object at 0x579b7d0 (pitivi+timeline+previewers+AudioPreviewer at 0x52ed4f0)>
end: 45
pixelWidth: 45