store guarantee count

models/res_partner.py

@@ -16,7 +16,8 @@ class ResPartner(models.Model):
         string="Contrats de garanties",
     )
     financial_contract_guarantee_count = fields.Integer(
-        compute="_compute_financial_contract_guarantee_count"
+        compute="_compute_financial_contract_guarantee_count",
+        store=True
     )
     guarantee_amount_ongoing = fields.Float(
         string="En cours de garantie", compute="_compute_ongoing_guarantee"