package python-imaging 1.1.7-4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

Computer reported limited filespace in volume: 'Filesystem root'
Don't know if that was the cause.
Just came up whilst upgrading to 12.04.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: python-imaging 1.1.7-4
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu6
Architecture: amd64
Date: Fri Apr 27 19:18:38 2012
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
SourcePackage: python-imaging
Title: package python-imaging 1.1.7-4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-04-27 (0 days ago)