fileobject = io.BytesIO()

        for chunk in tee(resp, fileobject):
            # do stuff with chunk

    :param response: Response from requests.
    :type response: requests.Response
    :param fileobject: Writable file-like object.
    :type fileobject: file, io.BytesIO
    :param int chunksize: (optional), Size of chunk to attempt to stream.
    :param bool decode_content: (optional), If True, this will decode the
        compressed content of the response.
    :raises: TypeError if the fileobject wasn't opened with the right mode
        or isn't a BytesIO object.
    Ú