async def response_writer(self, stream, response_queue):
while True:<EOL><INDENT>args = await response_queue.get()<EOL>try:<EOL><INDENT>await self.write_response(stream, *args)<EOL><DEDENT>finally:<EOL><INDENT>response_queue.task_done()<EOL><DEDENT><DEDENT>
:py:func:`asyncio.coroutine`

Worker for write_response with current connection. Get data to response
from queue, this is for right order of responses. Exits if received
:py:class:`None`.

:param stream: command connection stream
:type connection: :py:class:`aioftp.StreamIO`

:param response_queue:
:type response_queue: :py:class:`asyncio.Queue`