hidraw and Info class error about godenerg HOT 1 OPEN

def write(self, data):    
    os.write (self.fd, data)
    sleep(0.45)

def read(self, size):
    retry=0
    return self._read(size)

def _read(self, size):
    data = ''
    while True:
        sleep(0.17)
        data += ''.join(map(chr, os.read (self.fd,size)))
        if not data or '\r' in data or len(data) >= size:
            break
    return data


def open(self):
    try:
        self.fd = os.open('/dev/hidraw0', os.O_RDWR | os.O_NONBLOCK)
        sleep(0.35)
    except Exception as e:
        self.log.error(e)

    
def close(self):        
    os.close(self.fd)