#OSIS-798 Add send_mail_after_the_learning_unit_proposal_cancellation. All tests pass.
#OSIS-798 Add send_mail_after_the_learning_unit_proposal_cancellation. All tests pass.

uclouvain/osis,uclouvain/osis_louvain,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis_louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis_louvain