@ -61,7 +61,7 @@ from io import BytesIO
import collections
__all__ = ["Shelf","BsdDbShelf","DbfilenameShelf","open"]
__all__ = ["Shelf", "BsdDbShelf", "DbfilenameShelf", "open"]
class _ClosedDict(collections.MutableMapping):
'Marker for a closed dict. Access attempts raise a ValueError.'