def handleContentChunk(data):
        """
        Deliver a received chunk of body data to the request.  Note
        this does not imply chunked transfer encoding.

        @param data: The received chunk.
        @type data: L{bytes}
        """

        Deliver a received chunk of body data to the request.  Note
        this does not imply chunked transfer encoding.

        @param data: The received chunk.
        @type data: L{bytes}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/http.py