Update Manager crashes in 11.04

[cornbeefonrye]

Binary package hint: aptdaemon

aptdaemon crashes when I start Update Manager

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: aptdaemon 0.41+bzr614-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Annotation: Refreshing the software list failed
Architecture: amd64
Date: Thu Apr 28 23:47:51 2011
DesktopFile: /usr/share/aptdaemon/aptdaemon.desktop
ExecutablePath: /usr/sbin/aptd
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
SourcePackage: aptdaemon
Title: <type 'exceptions.NameError'>: global name 'logging' is not defined
TransactionDepends: [[], [], [], [], [], [], []]
TransactionErrorCode: error-unknown
TransactionKwargs: {'sources_list': None}
TransactionLocale: en_US.UTF8
TransactionOutput:

TransactionPackages: [[], [], [], [], [], []]
TransactionRole: role-update-cache
UpgradeStatus: Upgraded to natty on 2011-04-28 (0 days ago)

[Sebastian Heinlein (glatzor)]

Please update your system.