update-manager crashed with python3 in _run_in_dialog(): Depends: python3-minimal (= 3.2.3-2) aber 3.2.3-2ubuntu1 ist bereits installiert

crashed while unsuccessfully trying to update python3 from 3.2.3-2 to 3.2.3-3ubuntu1 (Bug #1024016)

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: update-manager 1:0.167
ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
Uname: Linux 3.5.0-4-generic x86_64
ApportVersion: 2.3-0ubuntu4
Architecture: amd64
Date: Fri Jul 13 13:43:04 2012
ExecutablePath: /usr/bin/update-manager
GsettingsChanges:
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'launch-time' b'1342179763'
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'window-height' b'742'
 b'com.ubuntu.update-manager' b'window-width' b'599'
InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120626)
InterpreterPath: /usr/bin/python3.2mu
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update
ProcEnviron:
 LANGUAGE=de_DE:en
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/update-manager', '--no-update']
SourcePackage: update-manager
Title: update-manager crashed with python3 in _run_in_dialog(): Depends: python3-minimal (= 3.2.3-2) aber 3.2.3-2ubuntu1 ist bereits installiert
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo