[FIX] Fix PEP8 errors after running 'flake8 . --ignore E501,F401'

mgmtsystem_kpi/mgmtsystem_kpi.py

@@ -320,13 +320,13 @@ class mgmtsystem_kpi(orm.Model):
 
         for obj in self.browse(cr, uid, ids):
             if obj.periodicity_uom == 'hour':
-                new_date = datetime.now()+relativedelta(hours=+obj.periodicity)
+                new_date = datetime.now() + relativedelta(hours=+obj.periodicity)
             elif obj.periodicity_uom == 'day':
-                new_date = datetime.now()+relativedelta(days=+obj.periodicity)
+                new_date = datetime.now() + relativedelta(days=+obj.periodicity)
             elif obj.periodicity_uom == 'week':
-                new_date = datetime.now()+relativedelta(weeks=+obj.periodicity)
+                new_date = datetime.now() + relativedelta(weeks=+obj.periodicity)
             elif obj.periodicity_uom == 'month':
-                new_date = datetime.now()+relativedelta(months=+obj.periodicity)
+                new_date = datetime.now() + relativedelta(months=+obj.periodicity)
 
             values = {
                 'next_execution_date': new_date.strftime('%Y-%m-%d %H:%M:%S'),