if movement_list is empty, no delivery will be built apparently.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33135 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/OrderBuilder.py

@@ -122,6 +122,8 @@ class OrderBuilder(XMLObject, Amount, Predicate):
       else:
         movement_list = [self.restrictedTraverse(relative_url) for relative_url \
                          in movement_relative_url_list]
+    if not len(movement_list):
+      return []
     # Collect
     root_group_node = self.collectMovement(movement_list)
     # Build