-# from zope.app.container.contained import ObjectMovedEvent
-# from zope.app.container.contained import notifyContainerModified
+try :
+ from zope.app.container.contained import notifyContainerModified
+ from zope.app.container.contained import ObjectMovedEvent
+except ImportError :
+ ## Zope-2.13 compat
+ from zope.container.contained import notifyContainerModified
+ from zope.container.contained import ObjectMovedEvent