Updated grading branch name so it won't use a tutorial tag for a name.
Updated grading branch name so it won't use a tutorial tag for a name.


Former-commit-id: 252bfbe0b844de39579ec3f001c809910f98a528 [formerly e71ee5d613a25c6447828671b22e4c5213160267]
Former-commit-id: fd5c1633a6109d171f959b3dd082e201943a0be5
justinbois/bebi103_utils