software-center crashed with AttributeError in _decode_value(): 'NoneType' object has no attribute 'decode'

[Lazaro Alejo]

happen a lot at start

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: software-center 5.1.4
ProcVersionSignature: Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
Uname: Linux 3.2.0-4-generic i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
CasperVersion: 1.296
CheckboxSubmission: f3d703344c951bec67a9fd062085e4bc
CheckboxSystem: d00f84de8a555815fa1c4660280da308
CrashCounter: 1
Date: Thu Dec 22 17:14:00 2011
DuplicateOf: https://bugs.launchpad.net/bugs/905605
ExecutablePath: /usr/share/software-center/software-center
InterpreterPath: /usr/bin/python2.7
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111212)
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with AttributeError in _decode_value(): 'NoneType' object has no attribute 'decode'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #905605, 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.