[Behave] Error decimal from none
[Behave] Error decimal from none

	modified:   base/business/learning_unit_year_with_context.py

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