network_check crashed with InvalidURL in _set_hostport(): nonnumeric port: ' text'

[iSingle]

I was doing a system test, when came to the wireless connection test, this package crashed several times.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: checkbox 0.12.7
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Sun Sep 18 22:12:37 2011
ExecutablePath: /usr/share/checkbox/scripts/network_check
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/share/checkbox/scripts/network_check
ProcEnviron:
 LANGUAGE=zh_CN:zh:en_US:en
 PATH=(custom, no user)
 LANG=zh_CN.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/checkbox/scripts/network_check']
SourcePackage: checkbox
Title: network_check crashed with InvalidURL in _set_hostport(): nonnumeric port: ' text'
UpgradeStatus: Upgraded to oneiric on 2011-09-18 (0 days ago)
UserGroups: adm admin audio cdrom dialout dip lpadmin netdev plugdev sambashare vboxusers video

[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 #751701, 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.