I fixed this by building on core20 and specifying "; python_version == '3.8'". Previously it was bringing in Python 3.6, 3.7, and 3.8.
** Changed in: duplicity Status: New => Fix Committed ** Changed in: duplicity Milestone: None => 0.8.22 ** Changed in: duplicity Status: Fix Committed => Fix Released ** Changed in: duplicity Status: Fix Released => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956157 Title: RuntimeWarning: compiletime version 3.8 of module 'msgpack._packer' does not match runtime version 3.6 To manage notifications about this bug go to: https://bugs.launchpad.net/duplicity/+bug/1956157/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs