def __array__(self, dtype=None):
        return self._data.view(np.ndarray)
Convert a URN like urn:publicid:... to a publicid
dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py/Index.__array__--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/ofam/src/src/ext/geni/util/urn_util.py/urn_to_publicid