Preparing to unpack .../python-apt_1.1.0~beta1build1_amd64.deb ...
Unpacking python-apt (1.1.0~beta1build1) ...
Setting up python-sip (4.17+dfsg-1build1) ...
Traceback (most recent call last):
  File "/usr/bin/pycompile", line 35, in <module>
    from debpython.version import SUPPORTED, debsorted, vrepr, \
  File "/usr/share/python/debpython/version.py", line 24, in <module>
    from ConfigParser import SafeConfigParser
ImportError: No module named 'ConfigParser'
dpkg: error processing package python-sip (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python-qt4:
 python-qt4 depends on sip-api-11.2; however:
  Package sip-api-11.2 is not installed.
  Package python-sip which provides sip-api-11.2 is not configured yet.

dpkg: error processing package python-qt4 (--configure):
 dependency problems - leaving unconfigured
Setting up python-apt (1.1.0~beta1build1) ...
Traceback (most recent call last):
  File "/usr/bin/pycompile", line 35, in <module>
    from debpython.version import SUPPORTED, debsorted, vrepr, \
  File "/usr/share/python/debpython/version.py", line 24, in <module>
    from ConfigParser import SafeConfigParser
ImportError: No module named 'ConfigParser'
dpkg: error processing package python-apt (--configure):
 subprocess installed post-installation script returned error exit status 1