def remove_known_host(reactor, hostname):
    return run(reactor, ['ssh-keygen', '-R', hostname])
Args:
dataset/ETHPy150Open ClusterHQ/flocker/admin/acceptance.py/remove_known_host--crossover with--dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/ipaddress.py/IPv4Address.__init__