@asyncio.coroutine<EOL><INDENT>def set_stream(self, stream_id):<DEDENT>
self._group['<STR_LIT>'] = stream_id<EOL>yield from self._server.group_stream(self.identifier, stream_id)<EOL>_LOGGER.info('<STR_LIT>', stream_id, self.friendly_name)<EOL>
Set group stream.