package python-minimal 2.7.5-5ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Attempt to upgrade from 12.04 to 14.04

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: python-minimal 2.7.5-5ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
Date: Wed Dec 17 08:22:41 2014
DuplicateSignature: package:python-minimal:2.7.5-5ubuntu3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-06-23 (176 days ago)
InstallationMedia: Ubuntu-Server 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
SourcePackage: python-defaults
Title: package python-minimal 2.7.5-5ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to trusty on 2014-12-17 (0 days ago)