Reading a posting to the mailman list I found this: http://www.mail-archive.com/mailman-us...@python.org/msg51844.html
"Also, you may be able to work around the problem by just removing the pythonlib/email/ directory from your Mailman installation. This won't stop the deprecation warnings, but it may allow your current Mailman to run." I therefore deleted the directory and the removed the package: sudo rm -rf /usr/lib/mailman/pythonlib/email sudo apt-get remove mailman The package was successfully removed. I guess I could have allowed the upgrade to go ahead but I was testing! The tasks held back from the do-release-upgrade then continued automatically after the package had been removed. -- list_lists crashed with ImportError in <module>() no module names email.messages https://bugs.launchpad.net/bugs/343046 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to mailman in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs