check date in isDivergent

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3465 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Delivery.py

@@ -622,6 +622,8 @@ class Delivery(XMLObject):
         simulation_quantity = 0.
         for simulation_movement in movement.getDeliveryRelatedValueList():
           simulation_quantity += float(simulation_movement.getCorrectedQuantity())
+          if simulation_movement.getStartDate() != movement.getStartDate():
+            return 1
         if d_quantity != simulation_quantity:
           return 1
       return 0