[FIX] estate: remove the _ in ValidationError

Problems:

- Undefined name '_'

Solution:

- Removed the '_'

Author: ouou-odoo

estate/models/estate_property.py

@@ -68,7 +68,7 @@ def _onchange_garden(self):
     @api.constrains('selling_price')
     def _check_price_offer_reasonable(self):
         if float_compare(self.selling_price, 0.9 * self.expected_price, 3) <= 0:
-            raise ValidationError(_('The selling price must be at least 90% of the expected price.'))
+            raise ValidationError('The selling price must be at least 90% of the expected price.')
 
     @api.ondelete(at_uninstall=False)
     def _unlink_property_if_not_new_nor_canceled(self):

estate/models/estate_property_offer.py

@@ -53,6 +53,6 @@ def action_accept(self):
     def action_refuse(self):
         for offer in self:
             if offer.status == 'accepted':
-                raise UserError(('The offer was already accepted.'))
+                raise UserError('The offer was already accepted.')
             offer.status = 'refused'
         return True