unity-manpages-daemon crashed with AttributeError in update_results_model(): 'NoneType' object has no attribute 'props'

[Pit(er) Ralon]

I dont know exactly what's happen, but crash report is starting after installing unity-lens-help and rebooting

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity-scope-manpages 1.7.1
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
Date: Sun Oct 7 08:17:05 2012
ExecutablePath: /usr/lib/unity-lens-help/unity-manpages-daemon
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/unity-lens-help/unity-manpages-daemon
PythonArgs: ['/usr/lib/unity-lens-help/unity-manpages-daemon']
SourcePackage: unity-lens-help
Title: unity-manpages-daemon crashed with AttributeError in update_results_model(): 'NoneType' object has no attribute 'props'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo