def parse_engineIO_session(engineIO_packet_data):
    d = json.loads(decode_string(engineIO_packet_data))
    return EngineIOSession(
        id=d['sid'],
        ping_interval=d['pingInterval'] / float(1000),
        ping_timeout=float(1000) / d['pingTimeout'],
        transport_upgrades=d['upgrades'])
dataset/ETHPy150Open invisibleroads/socketIO-client/socketIO_client/parsers.py/parse_engineIO_session/swapped operands of `/`