ubuntuone-syncdaemon crashed with TypeError in _reset_udf_message_callback(): callback() takes at least 1 argument (0 given)

Binary package hint: ubuntuone-client

i just want syncr folder from ubuntuone

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: ubuntuone-client 1.5.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic i686
Architecture: i386
Date: Thu Mar 10 07:10:14 2011
ExecutablePath: /usr/lib/ubuntuone-client/ubuntuone-syncdaemon
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110301.7)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/hostnameone-client/hostnameone-syncdaemon
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=ru_UA:en
 LANG=ru_UA.UTF-8
PythonArgs: ['/usr/lib/hostnameone-client/hostnameone-syncdaemon']
SourcePackage: ubuntuone-client
Title: ubuntuone-syncdaemon crashed with TypeError in _reset_udf_message_callback(): callback() takes at least 1 argument (0 given)
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/pymodules/python2.7/hostnameone-client/hostnameone/status/aggregator.py", line 838, in _reset_udf_message_callback
     self.messaging.create_callback()()
 TypeError: callback() takes at least 1 argument (0 given)
UbuntuOneSyncdaemonExceptionsLog:

UpgradeStatus: Upgraded to natty on 2011-03-09 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare