Syle only: add linebreaks, save indentation to improve readability.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31470 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/SimulationMovement.py

@@ -561,15 +561,18 @@ class SimulationMovement(Movement, PropertyRecordableMixin):
     if self.getDeliveryValue() is not None:
       # already delivered
       return False
+
     # might be buildable - business path depended
     business_path = self.getCausalityValue(portal_type='Business Path')
     explanation_value = self.getExplanationValue()
-    if business_path is not None and explanation_value is not None:
+
+    if business_path is None or explanation_value is None:
+      return True
     predecessor = business_path.getPredecessorValue()
     if predecessor is None:
       # first one, can be built
       return True
-      else:
+
     for successor_related in predecessor.getSuccessorRelatedValueList():
       for business_path_movement in successor_related \
           .getRelatedSimulationMovementValueList(explanation_value):
@@ -579,6 +582,7 @@ class SimulationMovement(Movement, PropertyRecordableMixin):
               .getDeliveryValue()
           if business_path_movement_delivery is None:
             return False # related movement is not delivered yet
+
           business_path_movement_delivery_document = \
               business_path_movement_delivery.getParentValue()
           # here we can optimise somehow, as