diff --git a/models/acc_contract.py b/models/acc_contract.py
index e5f9c9c7f9921af05ad59e0520b610df427d53f2..eb873348997142157fb66943f6295f287df96967 100644
--- a/models/acc_contract.py
+++ b/models/acc_contract.py
@@ -6,7 +6,7 @@ from odoo import fields, models
 
 class AccContract(models.Model):
     _name = "acc.contract"
-    _description = 'Contrats'
+    _description = "Contrats"
 
     # ------------------------------------------------------
     # Fields declaration
@@ -14,12 +14,15 @@ class AccContract(models.Model):
     acc_operation_id = fields.Many2one("acc.operation", "Opération")
     seller_id = fields.Many2one("res.partner", "Vendeur")
     buyer_id = fields.Many2one("res.partner", "Acheteur")
-    type = fields.Selection([
-        ("vente", "Vente"),
-        ("achat", "Achat"),
-        ("convention", "Convention Enedis"),
-        ("pmo", "Pmo")
-    ], string="Type de contrat")
+    type = fields.Selection(
+        [
+            ("vente", "Vente"),
+            ("achat", "Achat"),
+            ("convention", "Convention Enedis"),
+            ("pmo", "Pmo"),
+        ],
+        string="Type de contrat",
+    )
     start_date = fields.Date("Début du contrat")
     end_date = fields.Date("Fin du contrat")
     document = fields.Binary("Document attaché")