getTotalPrice can take kw args

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13732 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Amount.py

@@ -373,7 +373,7 @@ class Amount(Base, Variated):
   
   
   security.declareProtected(Permissions.AccessContentsInformation, 'getTotalPrice')
-  def getTotalPrice(self):
+  def getTotalPrice(self, **kw):
     """
       Return total price for the number of items