send command to Puck.JS from the raspberry without Espruino Hub install

This my code so far on the puck , and I am able to connect using the python code below and send commands, but I am unable to return a value back, actually I do receive something, such as

<type 'str'>
<- Serial1
>

but it should be temperature reading of the puck. any help please

Puck Code:

function beam(ircode)
{
  Puck.IR(require("pronto").decode(ircode));
  digitalWrite(LED2,1);
  setTimeout(function() 
  {
    digitalWrite(LED2,0);
  }, delayInMilliseconds);
  return E.getTemperature();
}

Python:

import sys
from bluepy.btle import UUID, Peripheral
import time
import binascii
from bluepy import btle

command = "\x03\x10beam(" +sys.argv[2]+ ");\n"

class MyDelegate(btle.DefaultDelegate):
    def __init__(self):
        btle.DefaultDelegate.__init__(self)

    def handleNotification(self, cHandle, data):
        print("A notification was received: %s" %data)
        
p = Peripheral(sys.argv[1], 'random')
p.setDelegate(MyDelegate())
try:
        UartService=p.getServiceByUUID(UUID("6E400001-B5A3-F393-E0A9-E50E24DCCA9E"))
        ch = UartService.getCharacteristics(UUID("6E400002-B5A3-F393-E0A9-E50E24DCCA9E"))[0]

        while len(command)>0:
                ch.write(command[0:20]);
                command = command[20:];

        
        p.writeCharacteristic(ch.valHandle+1, "\x02\x00")

        while True:
            if p.waitForNotifications(1.0):
                # handleNotification() was called
                continue

            print("Waiting...")
            # Perhaps do something else here
        [#rx](https://forum.espruino.com/search/?q=%23rx) = UartService.getCharacteristics(UUID("6E400003-B5A3-F393-E0A9-E50E24DCCA9E"))[0]
        [#val](https://forum.espruino.com/search/?q=%23val) = rx.read()
        [#print](https://forum.espruino.com/search/?q=%23print) val
	

        p.disconnect()
finally:
        p.disconnect()