This worked for me too: a full solution from a working 10.04LTS to 12.04 LTS is:
# apt-get install -o APT::Immediate-Configure=false --reinstall python-minimal # do-release-upgrade -d
This worked for me too: a full solution from a working 10.04LTS to 12.04 LTS is:
# apt-get install -o APT::Immediate- Configure= false --reinstall python-minimal
# do-release-upgrade -d