OSIS-1032 Code Climate fix
OSIS-1032 Code Climate fix

	modifié :         base/business/learning_unit_proposal.py

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