software-center crashed with TypeError in wrapped(): unbound method get_selection_bounds() must be called with TextBuffer instance as first argument (got SearchEntry instance instead)

[Tom]

Everytime I click on the menu in the top of the Software-Center I receive an Error-Message, but the Software-Center keeps working.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: software-center 5.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
Uname: Linux 3.8.0-17-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
Date: Mon Apr 8 11:47:25 2013
ExecutablePath: /usr/share/software-center/software-center
InstallationDate: Installed on 2013-03-29 (9 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130328)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with TypeError in wrapped(): unbound method get_selection_bounds() must be called with TextBuffer instance as first argument (got SearchEntry instance instead)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[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 #1151621, 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.