Reading package lists... Building dependency tree... Reading state information... You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: spye-metaconfig: Depends: spye (>= 3.4.0) but 3.3.1 is to be installed Depends: python-psycopg2 but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).