OSIS-2177 Fixed manager issue with person
OSIS-2177 Fixed manager issue with person

	modified:   base/models/person.py

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