models/service_order.py

@@ -996,8 +996,7 @@ class service_order(osv.osv):
         res = True
         for order in self.browse(cr, uid, ids, context):
             for sale in order.sale_order_ids:
-                if not sale.invoiced:
-                    # TODO: Chequear cancelado de sale_order
+                if not sale.invoiced and sale.state != 'cancel':
                     raise osv.except_osv(
                         _("Cannot finish"),
                         _("All quotation should be paid or cancelled"))