[update] members selection for contribution

models/scop_cotisation.py

@@ -139,13 +139,12 @@ class ScopCotisation(models.AbstractModel):
     @api.multi
     def get_members(self):
         self.ensure_one()
+        end_date = self.date_cotisation if self.date_cotisation else date(self.year, 1, 1)
         members = self.env['scop.membership.period'].search([
             ('type_id', '=', self.env.ref(
                 'cgscop_partner.membership_type_1').id),
             ('start', '<', date(self.year, 1, 1)),
-            '|',
             ('end', '=', None),
-            ('end', '>', date(self.year, 1, 1))
         ]).mapped('partner_id')
         return members