@property
    def is_loopback(self):
        return self in IPv4Network('127.0.0.0/8')
Test to_file and from_file
dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/ipaddr.py/_BaseV4.is_loopback--crossover with--dataset/ETHPy150Open geopandas/geopandas/geopandas/tests/test_geoseries.py/TestSeries.test_to_file