@property
    def is_loopback(self):
        return self._ip == 1 and getattr(self, '_prefixlen', 128) == 128
Conversion from weighted digraph to sparse matrix to weighted digraph.
dataset/ETHPy150Open anandology/pyjamas/pyjs/src/pyjs/lib/ipaddr.py/_BaseV6.is_loopback--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/tests/test_convert_scipy.py/TestConvertNumpy.test_identity_weighted_digraph_matrix