package python-enthoughtbase 3.0.6-1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

Binary package hint: python-enthoughtbase

After reboot the system and try to access to Ubuntu desktop.

It is the same of previous bug send by me.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: python-enthoughtbase 3.0.6-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu May 12 11:23:32 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
PackageArchitecture: all
SourcePackage: python-enthoughtbase
Title: package python-enthoughtbase 3.0.6-1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-05-12 (0 days ago)