telepathy-butterfly crashed with TypeError: _on_session_completed() takes exactly 3 arguments (2 given)

[u-foka]

Binary package hint: telepathy-butterfly

I does not seen anything but apport popped up after starting empathy

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: telepathy-butterfly 0.5.15-1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Tue Apr 12 19:22:00 2011
ExecutablePath: /usr/lib/telepathy/telepathy-butterfly
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110327)
InterpreterPath: /usr/bin/python2.7
LocalLibraries: /usr/local/lib/libkeepalive.so
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/telepathy/telepathy-butterfly
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LC_TIME=hu_HU.UTF-8
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
PythonArgs: ['/usr/lib/telepathy/telepathy-butterfly']
SourcePackage: telepathy-butterfly
Title: telepathy-butterfly crashed with TypeError: _on_session_completed() takes exactly 3 arguments (2 given)
Traceback: TypeError: _on_session_completed() takes exactly 3 arguments (2 given)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare usb vboxusers

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #735815, 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.