aptd crashed directly after login with AttributeError in _on_queue_changed(): 'AptDaemon' object has no attribute 'PropertyChanged'

[Thomas Marcel Ender]

Fresh Installation of ubuntu Oneiric Ocelot alpha 3,
aptd crashes directly after login

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: aptdaemon 0.43+bzr663-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-7.9-generic 3.0.0
Uname: Linux 3.0.0-7-generic x86_64
Architecture: amd64
Date: Fri Aug 5 13:48:32 2011
ExecutablePath: /usr/sbin/aptd
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/sbin/aptd
ProcEnviron:

PythonArgs: ['/usr/sbin/aptd']
SourcePackage: aptdaemon
Title: aptd crashed with AttributeError in _on_queue_changed(): 'AptDaemon' object has no attribute 'PropertyChanged'
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/aptdaemon/core.py", line 1287, in _on_queue_changed
     self.PropertyChanged("RebootRequired", self._reboot_required)
 AttributeError: 'AptDaemon' object has no attribute 'PropertyChanged'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: