diff --git a/contract.py b/contract.py
index de7acae..7cce563 100644
--- a/contract.py
+++ b/contract.py
@@ -338,7 +338,7 @@ class CreateContract(Wizard):
         equipments = []
         for line in maintenance_service.lines:
             equipments.append(line.equipment.id)
-            
+
         if maintenance_service.contract_origin:
             contract=maintenance_service.contract_origin
             contract.history_equipments+=tuple(equipments)
@@ -362,5 +362,4 @@ class CreateContract(Wizard):
                             price_contract=dates['unit_price']
                             )
 
-        #raise UserError(str(contract))
         contract.save()
diff --git a/sale.py b/sale.py
index f73ed7c..2981b89 100644
--- a/sale.py
+++ b/sale.py
@@ -44,8 +44,7 @@ class Sale(metaclass=PoolMeta):
                                        'related_party': Eval('party'),
                                     },)
     agended = fields.Boolean("Scheduling",states={
-        'invisible': (Eval('sale_type') != 'maintenance'),
-        'readonly': True})
+        'invisible': (Eval('sale_type') != 'maintenance'),})
 
     
     @classmethod