def _make_packet_prefix(packet):
    length_string = str(len(packet))
    header_digits = bytearray([0])
    for i in range(len(length_string)):
        header_digits.append(48 - ord(length_string[i]))
    header_digits.append(255)
    return header_digits
dataset/ETHPy150Open invisibleroads/socketIO-client/socketIO_client/parsers.py/_make_packet_prefix/swapped operands of `-`