Fix NameError

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@39221 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/amount_generator.py

@@ -290,7 +290,7 @@ class AmountGeneratorMixin:
         if not quantity:
           continue
         # Backward compatibility
-        if getattr(aq_base(self), 'create_line', None) == 0:
+        if getattr(self.aq_base, 'create_line', None) == 0:
           property_dict['resource'] = None
         # Create an Amount object
         amount = newTempAmount(portal,