just got this after recent updates.
ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: awn-applet-battery-applet 0.4.1~bzr1507-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Sat Apr 9 20:36:32 2011
ExecutablePath: /usr/share/avant-window-navigator/applets/battery/battery.py
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python /usr/share/avant-window-navigator/applets/battery/battery.py --uid=1269996545 --window=27263047 --panel-id=1
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
PythonArgs: ['/usr/share/avant-window-navigator/applets/battery/battery.py', '--uid=1269996545', '--window=27263047', '--panel-id=1']
SourcePackage: awn-extras
Title: battery.py crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare