pitivi - opened one of the combo boxes in effect library and then crashed with AttributeError in _selectionChangedCb(): 'TransformationProperties' object has no attribute 'zoom_scale'

[Patrick Groeschel]

detailed actions before the error:
 - opened pitivi project (hdv 1080i25 - derived from 1080i30 but with 25fps)
 - added two pictures into media library
 - dragged them into 2 seperate video tracks (at a different starting time - one of them at the beginning of the video)
 - tabbed into effect library
 - opened one of the combo boxes (do not exactly remember whether it was the left or the right one)
 - apport reported the crash

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: pitivi 0.15.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-generic i686
NonfreeKernelModules: nvidia wl
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Sun Jan 15 15:10:37 2012
ExecutablePath: /usr/bin/pitivi
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python /usr/bin/pitivi
PythonArgs: ['/usr/bin/pitivi']
SourcePackage: pitivi
Title: pitivi crashed with AttributeError in _selectionChangedCb(): 'TransformationProperties' object has no attribute 'zoom_scale'
UpgradeStatus: Upgraded to oneiric on 2012-01-11 (4 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare users

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #865694, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.