Traceback (most recent call last):
  File "/Users/twl/work/osaf/src/trees/dogfood/application/Application.py", line 731, in OnIdle
    self.propagateAsynchronousNotifications()
  File "/Users/twl/work/osaf/src/trees/dogfood/application/Application.py", line 707, in propagateAsynchronousNotifications
    self.repository.view.refresh (mergeFunction) # pickup changes from other threads
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/persistence/DBRepositoryView.py", line 315, in refresh
    self._refresh(mergeFn, version, notify)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/persistence/DBRepositoryView.py", line 346, in _refresh
    self._refreshForwards(mergeFn, self.itsVersion + 1, True)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/persistence/DBRepositoryView.py", line 477, in _refreshForwards
    oldVersion, newVersion)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/persistence/DBRepositoryView.py", line 234, in _dispatchHistory
    'extent', uItem)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/schema/Kind.py", line 1053, in _collectionChanged
    callable(superKind.extent, op, change, name, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 1202, in sourceChanged
    self._collectionChanged(op, change, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 366, in _collectionChanged
    item._collectionChanged(op, change, attribute, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Collection.py", line 89, in _collectionChanged
    super(Collection, self)._collectionChanged(op, change, name, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 716, in sourceChanged
    self._collectionChanged(op, change, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 366, in _collectionChanged
    item._collectionChanged(op, change, attribute, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Collection.py", line 89, in _collectionChanged
    super(Collection, self)._collectionChanged(op, change, name, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 1304, in sourceChanged
    self._collectionChanged(op, change, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 366, in _collectionChanged
    item._collectionChanged(op, change, attribute, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Collection.py", line 89, in _collectionChanged
    super(Collection, self)._collectionChanged(op, change, name, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 716, in sourceChanged
    self._collectionChanged(op, change, other)
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Sets.py", line 349, in _collectionChanged
    index.insertKey(other, index.getLastKey())
  File "/Users/twl/work/osaf/src/trees/dogfood/repository/item/Indexes.py", line 227, in insertKey
    skipList.insert(key, afterKey)
AssertionError: key != afterKey