def __getitem__(self, x):
        try:
            return DataUser.__getitem__(self, x)
        except __HOLE__:
            raise Exception(
                "You attempted to get the value `%s' from `%s'. It isn't here."
                " Perhaps you misspelled the name of a Property?" %
                (x, self))
dataset/ETHPy150Open openworm/PyOpenWorm/PyOpenWorm/dataObject.py/DataObject.__getitem__