[update] nb_quarter cotiz in cgscop_cotisation parent

models/account_invoice.py

@@ -41,6 +41,14 @@ class ScopAccountInvoice(models.Model):
         related='partner_id.ur_id',
         store=True
     )
+    nb_quarter = fields.Selection(
+        string='Nombre de trimestres de cotisation',
+        selection=[('1', '1'),
+                   ('2', '2'),
+                   ('3', '3'),
+                   ('4', '4')],
+        default='4',
+        required=True)
 
     @api.multi
     def action_invoice_open(self):