diff --git a/sale.py b/sale.py
index e7db22f..69ec30b 100644
--- a/sale.py
+++ b/sale.py
@@ -112,7 +112,6 @@ class Sale(metaclass=PoolMeta):
 
         return Shipment(**values)
 
-    
     @classmethod
     def set_quote_number(cls, sales):
         '''