package python3 3.2.3-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 4

[Emanuele Sottocorno]

I got the error executing sudo apt-get upgrade.

Terminal output:
Setting up ubiquity-ubuntu-artwork (2.11.12) ...
dpkg: dependency problems prevent configuration of ubiquity:
 ubiquity depends on python3 (>= 3.1.3-13~); however:
  Package python3 is not configured yet.

dpkg: error processing ubiquity (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ubiquity-frontend-gtk:
 ubiquity-frontend-gtk depends on python3 (>= 3.1.3-13~); however:
  Package python3 is not configured yet.
 ubiquity-frontend-gtk depends on ubiquity (= 2.11.12); however:
  Package ubiquity is not configured yet.

dpkg: error processing ubiquity-frontend-gtk (--configure):
 dependency problems - leaving unconfigured
Setting up x11-common (1:7.7+1ubuntu1) ...
No apport report written because MaxReports is reached already

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: python3 3.2.3-2
ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
Uname: Linux 3.5.0-4-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.3-0ubuntu4
Architecture: amd64
CasperVersion: 1.319
Date: Thu Jul 12 08:51:19 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 4
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120711.2)
PackageArchitecture: all
SourcePackage: python3-defaults
Title: package python3 3.2.3-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 4
UpgradeStatus: No upgrade log present (probably fresh install)