Bug#493036: upgrade-reports: apt-get can't upgrade due to debconf failing to upgrade

[Justin Hartman <justin@hartmanlife.com>]

Package: upgrade-reports
Severity: normal

When trying to run "apt-get upgrade" I get the following error:

  apt-get upgrade
Reading package lists... Done
Building dependency tree... Done
The following packages have been kept back:
  wordpress
The following packages will be upgraded:
  apache2 apache2-mpm-prefork apache2-utils apache2.2-common debconf-utils initscripts libkrb53 linux-image-2.6.18-6-amd64 locales sysv-rc
  trac
11 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
1 not fully installed or removed.
Need to get 0B/23.6MB of archives.
After unpacking 4096B of additional disk space will be used.
Do you want to continue [Y/n]? 
Preconfiguring packages ...
Setting up debconf (1.5.11etch2) ...
Compiling /usr/lib/python2.4/site-packages/Beaker-0.9.4-py2.4.egg/beaker/ext/google.py ...
SyntaxError: ('future feature absolute_import is not defined',)

dpkg: error processing debconf (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 debconf
E: Sub-process /usr/bin/dpkg returned an error code (1)


-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'testing')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-amd64
Locale: LANG=en_US.ISO-8859-15, LC_CTYPE=en_US.ISO-8859-15 (charmap=ISO-8859-15)