CUAV Xtend rf box telemetry and python

Hi. i bought CUAV Xtend telem. in my code i can connect with drone. Does any one can help me?

import asyncio
from mavsdk import System

async def run():
drone = System()
await drone.connect(system_address=“serial:///dev/ttyACM0:57600”)

print("Waiting for drone to connect...")
async for state in drone.core.connection_state():
    if state.is_connected:
        print("Drone discovered with UUID")

if name == “main”:
loop = asyncio.get_event_loop()