def __lshift__(self, selector):
    return self.HasAncestor(selector)
Override ipaddr.IPv4 supernet so we can maintain comments.
dataset/ETHPy150Open spranesh/Redhawk/redhawk/common/selector.py/S.__lshift__--crossover with--dataset/ETHPy150Open google/capirca/lib/nacaddr.py/IPv4.supernet