[update] add limit_start_date to get new members

models/scop_cotisation.py

@@ -149,13 +149,15 @@ class ScopCotisation(models.AbstractModel):
         return members
 
     @api.multi
-    def get_new_members(self):
+    def get_new_members(self, limit_start_date=None):
+        if not limit_start_date:
+            limit_start_date = date(self.year, 12, 31)
         self.ensure_one()
         members = self.env['scop.membership.period'].search([
             ('type_id', '=', self.env.ref(
                 'cgscop_partner.membership_type_1').id),
             ('start', '>=', date(self.year, 1, 1)),
-            ('start', '<=', date(self.year, 12, 31)),
+            ('start', '<=', limit_start_date),
             '|',
             ('end', '=', None),
             ('end', '>', date(self.year, 1, 1))