Give children the None scope

common/lib/xmodule/xmodule/model.py

@@ -121,7 +121,7 @@ class ParentModelMetaclass(type):
     """
     def __new__(cls, name, bases, attrs):
         if attrs.get('has_children', False):
-            attrs['children'] = List(help='The children of this XModule', default=[], scope=Scope.settings)
+            attrs['children'] = List(help='The children of this XModule', default=[], scope=None)
         else:
             attrs['has_children'] = False
 

common/lib/xmodule/xmodule/tests/test_model.py

@@ -36,7 +36,7 @@ def test_parent_metaclass():
     assert not hasattr(WithoutChildren, 'children')
 
     assert isinstance(HasChildren.children, List)
-    assert_equals(Scope.settings, HasChildren.children.scope)
+    assert_equals(None, HasChildren.children.scope)
 
 
 def test_field_access():