We need a repl key if you are auth + a cluster member +
         version is None or >= 2.0.0

def needs_repl_key(self):
        """
         We need a repl key if you are auth + a cluster member +
         version is None or >= 2.0.0
        """
        cluster = self.get_cluster()
        return (self.supports_repl_key() and
                cluster is not None and cluster.get_repl_key() is not None)