OSIS-644 pe8 syntax
OSIS-644 pe8 syntax

Files:
 - base/tests/business/test_learning_unit_edition.py

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