Correct typo error.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4343 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TransformationSourcingRule.py

@@ -106,7 +106,7 @@ class TransformationSourcingRuleMixin(ExtensionClass.Base):
       production_order_line = production_order_movement
     else:
       production_order_line = production_order_movement.getParent()
-    script = production_order_line._getTypeBaseMethod('_getTransformation') 
+    script = production_order_line._getTypeBasedMethod('_getTransformation') 
     if script is not None:
       transformation = script()
     else: