package python-virtkey 0.60.0-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Roy Kishun]

Just tried to do an "apt-get dist-upgrade" and encountered the

file does not exist: /usr/lib/python2.6/dist-packages/python_virtkey-0.60.0.egg-info
pycentral: pycentral pkginstall: error byte-compiling files (1)
pycentral pkginstall: error byte-compiling files (1)
dpkg: error processing python-virtkey (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of onboard:
 onboard depends on python-virtkey (>= 0.60.0); however:
  Package python-virtkey is not configured yet.
dpkg: error processing onboard (--configure):
 dependency problems - leaving unconfigured

ProblemType: Package
DistroRelease: Ubuntu 10.10
Package: python-virtkey 0.60.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Mon Sep 27 07:33:58 2010
ErrorMessage: subprocess installed post-installation script returned error exit status 1
SourcePackage: virtkey
Title: package python-virtkey 0.60.0-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1