Version-Release number of selected component:
pitivi-0.15.2-4.fc20

Additional info:
reporter:       libreport-2.1.11
cmdline:        python /usr/bin/pitivi
executable:     /usr/bin/pitivi
kernel:         3.12.5-302.fc20.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
filechooserpreview.py:164:_update_preview_cb:AttributeError: 'PreviewWidget' object has no attribute 'preview_cache'

Traceback (most recent call last):
  File "/usr/share/pitivi/python/pitivi/discoverer.py", line 454, in _busMessageEosCb
    self._finishAnalysis("EOS")
  File "/usr/share/pitivi/python/pitivi/discoverer.py", line 309, in _finishAnalysis
    if self._emitResult():
  File "/usr/share/pitivi/python/pitivi/discoverer.py", line 270, in _emitResult
    self._emitDone(factory)
  File "/usr/share/pitivi/python/pitivi/discoverer.py", line 229, in _emitDone
    self.emit("discovery-done", self.current_uri, factory)
  File "/usr/share/pitivi/python/pitivi/signalinterface.py", line 151, in emit
    *args, **kwargs)
  File "/usr/share/pitivi/python/pitivi/signalinterface.py", line 126, in emit
    res = cb(*ar, **kw)
  File "/usr/share/pitivi/python/pitivi/ui/filechooserpreview.py", line 164, in _update_preview_cb
    self.preview_cache[uri] = factory
AttributeError: 'PreviewWidget' object has no attribute 'preview_cache'

Local variables in innermost frame:
self: <PreviewWidget object at 0x37ac230 (GtkVBox at 0x399a6a0)>
dscvr: <pitivi.discoverer.Discoverer object at 0x37a4850>
factory: <pitivi.factories.file.FileSourceFactory object at 0x37b0090>
uri: 'file:///home/mastaiza/%D0%92%D0%B8%D0%B4%D0%B5%D0%BE/BigWetButts%20-%20Jynx%20Maze%20(All%20Natural%20Latina%20Ass%20%2001.12.2014)%20480p%20SD%20MP4.mp4'

Potential duplicate: bug 747987