def convert_to_string(data, headers, **_):
return (([utils.to_string(v) for v in row] for row in data),<EOL>[utils.to_string(h) for h in headers])<EOL>
Convert all *data* and *headers* to strings.

    Binary data that cannot be decoded is converted to a hexadecimal
    representation via :func:`binascii.hexlify`.

    :param iterable data: An :term:`iterable` (e.g. list) of rows.
    :param iterable headers: The column headers.
    :return: The processed data and headers.
    :rtype: tuple