[UPD] change label vendor

models/account.py

@@ -12,9 +12,9 @@ class AccountInvoice(models.Model):
     # ------------------------------------------------------
     user_second_id = fields.Many2one(
         'res.users',
-        string='Vendeur Bis',
+        string='Vendeur 2',
         track_visibility='onchange',
-        default=lambda self: self.env.user, copy=False)
+        copy=False)
 
     # ------------------------------------------------------
     # SQL Constraints