Accept the case that the Simulation Movement is a Temp Simulation Movement.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41456 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/SimulationMovement.py

@@ -312,7 +312,11 @@ class SimulationMovement(PropertyRecordableMixin, Movement, ExplainableMixin):
     """
     delivery_value = self.getDeliveryValue()
     if delivery_value is None:
-      ra = self.getRootAppliedRule()
+      # If the parent is not an Applied Rule, self does not have the method.
+      if getattr(self, 'getRootAppliedRule', None) is not None:
+        ra = self.getRootAppliedRule()
+      else:
+        return None
       order = ra.getCausalityValue()
       if order is not None:
         return order