pitivi crashed with TypeError in do_simple_paint()

[Nicolas DERIVE]

Binary package hint: pitivi

Got it 10 times during a 5 minutes video editing... Maybe a dupe of bug #537619, but I report it because apport may give more infos this time than in original bug report.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: pitivi 0.13.4-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic i686
Architecture: i386
CheckboxSubmission: c4273c0f4f2b8d26cd6bf31cadfd2912
CheckboxSystem: a871981cb5bdf4d6ebd55be46becf77e
Date: Sun Mar 28 12:58:31 2010
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/pitivi
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: python /usr/bin/pitivi
ProcEnviron:
 LANGUAGE=fr_FR:fr:en_GB:en
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/pitivi']
SourcePackage: pitivi
Title: pitivi crashed with TypeError in do_simple_paint()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/pitivi/python/pitivi/ui/curve.py", line 261, in do_simple_paint
     cr.reset_clip()
 TypeError: Required argument 'cr' (pos 1) not found
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev pulse pulse-access scanner tape users video