Bug fix: correct getAggregatedAmountList when no quantity unit is defined on line.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2559 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TransformedResource.py

@@ -196,7 +196,8 @@ class TransformedResource(XMLObject, XMLMatrix, Amount):
       # Continuous variations will be implemented in a future version of ERP5
 
       quantity_unit = self.getQuantityUnit()
-      tmp_amount.setQuantityUnitValue(quantity_unit)
+      if quantity_unit is not None:
+        tmp_amount.setQuantityUnitValue(quantity_unit)
 
 
       efficiency =  self.getEfficiency()