This is for sure caused by the python3 installation. I get the same issue on my machine with a local Python 3.9 installation, which I needed since Ubuntu 16.04 only gets 3.5 from aptitude.
> which python /usr/bin/python > which python3 /usr/local/bin/python3 > python3 --version Python 3.9.1 > dpkg -l | grep python See attached grep.txt ** Attachment added: "Output from dpkg grep command" https://bugs.launchpad.net/ubuntu/+source/ubuntu-advantage-tools/+bug/1934077/+attachment/5509656/+files/grep.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1934077 Title: package ubuntu-advantage-tools 27.1~16.04.1 - ModuleNotFoundError: No module named 'uaclient' - maybe dup 1930121 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-advantage-tools/+bug/1934077/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs