@classmethod
    def isNull(cls, strval):
        #  return true if the string is null or empty
        return not cls.is_(strval)
Returns true if the specified floating IP pool exists. Otherwise,
dataset/ETHPy150Open CarterBain/Medici/ib/ext/EClientSocket.py/EClientSocket.isNull--crossover with--dataset/ETHPy150Open openstack/nova/nova/network/floating_ips.py/FloatingIP._floating_ip_pool_exists