Thanks. That appeared to work. While running sudo apt install --reinstall hplip hplip-data
I got the following error. W: APT had planned for dpkg to do more than it reported back (19 vs 23). Affected packages: python3:amd64 but I went ahead and did the last command and now apt upgrade doesn't complain. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781420 Title: package python3 3.6.5-3ubuntu1 failed to install/upgrade: installed python3 package post-installation script subprocess returned error exit status 4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python3-defaults/+bug/1781420/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs