dpkg: dependency problems prevent configuration of python2.5-runtime:
python2.5-runtime depends on python2.5-cairo (>= 1.4.0-1osso1); however:
Package python2.5-cairo is not installed.
dpkg: error processing python2.5-runtime (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
python2.5-runtime
E: Sub-process /usr/bin/dpkg returned an error code (1)

Thats what is reported in the log.