monitor.py crashed with TypeError in call_blocking(): Expected a string or unicode object

[rrae]

This was propably reported before, I was promptet whether I want to submit the problem.
It doesn't appear to be a serious problem, however.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: wicd-daemon 1.7.0+ds1-6
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu2
Architecture: i386
Date: Tue Oct 11 23:07:21 2011
ExecutablePath: /usr/share/wicd/daemon/monitor.py
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.3)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python -O /usr/share/wicd/daemon/monitor.py
ProcEnviron: PATH=(custom, no user)
PythonArgs: ['/usr/share/wicd/daemon/monitor.py']
SourcePackage: wicd
Title: monitor.py crashed with TypeError in call_blocking(): Expected a string or unicode object
UpgradeStatus: Upgraded to oneiric on 2011-09-26 (15 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #628432, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.