http://channels.readthedocs.io/en/stable/asgi/www.html#request-body-chunk

def get_request_body_chunk(self, content: bytes, closed: bool,
                               more_content: bool) -> Dict[str, Any]:
        '''
        http://channels.readthedocs.io/en/stable/asgi/www.html#request-body-chunk
        '''
        return {
            'content': content,
            'closed': closed,
            'more_content': more_content
        }