def timeoutAuthentication(self):
        """
        Called when the user has timed out on authentication.  Disconnect
        with a DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE message.
        """
        self._cancelLoginTimeout = None
        self.transport.sendDisconnect(
            transport.DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE,
            b'you took too long')

        Called when the user has timed out on authentication.  Disconnect
        with a DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE message.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/ssh/userauth.py