Reason could be python-dbg or python-dev packages during upgrade. Could you remove following packages before upgrade? libpython2-dbg python2-dbg libpython2-dev python2-dev python-dev libpython-all-dev python-dev
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914827 Title: do-release-upgrade failing with "unresolvable problem caclulating the upgrade" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1914827/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
