FYI, If you install with d-i instead of ubiquity, it does not run into this problem since it runs the scripts in the correct order, so I don't think it is appropriate to change partman-auto since that would change the way d-i works, and it isn't broken.
FYI, If you install with d-i instead of ubiquity, it does not run into this problem since it runs the scripts in the correct order, so I don't think it is appropriate to change partman-auto since that would change the way d-i works, and it isn't broken.