PING a user data stream to prevent a time out.

        https://github.com/binance-exchange/binance-official-api-docs/blob/master/rest-api.md#keepalive-user-data-stream-user_stream

        :param listenKey: required
        :type listenKey: str

        :returns: API response

        .. code-block:: python

            {}

        :raises: BinanceRequestException, BinanceAPIException

def stream_keepalive(self, listenKey):
        """PING a user data stream to prevent a time out.

        https://github.com/binance-exchange/binance-official-api-docs/blob/master/rest-api.md#keepalive-user-data-stream-user_stream

        :param listenKey: required
        :type listenKey: str

        :returns: API response

        .. code-block:: python

            {}

        :raises: BinanceRequestException, BinanceAPIException

        """
        params = {
            'listenKey': listenKey
        }
        return self._put('userDataStream', False, data=params)