python cairo dependencies

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 python-gobject-cairo:i386 : Depends: python2.7:i386 but it is not going to be installed or
                                      python2.6:i386 but it is not going to be installed
                             Depends: python:i386 (>= 2.6) but it is not installable
                             Depends: python:i386 (< 2.8) but it is not installable
                             Depends: python-cairo:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.