[FLAKE8] plus small fix
[FLAKE8] plus small fix

open-synergy/stock-logistics-warehouse,LatinuxSistemas/stock-logistics-warehouse,factorlibre/stock-logistics-warehouse,raycarnes/stock-logistics-warehouse,kmee/stock-logistics-warehouse,NL66278/stock-logistics-warehouse,StefanRijnhart/stock-logistics-warehouse,acsone/stock-logistics-warehouse,vauxoo-dev/stock-logistics-warehouse,akretion/stock-logistics-warehouse,avoinsystems/stock-logistics-warehouse