import wifi
import adafruit_connection_manager
import adafruit_requests

radio = wifi.radio

# code to make sure your radio is connected

pool = adafruit_connection_manager.get_radio_socketpool(radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(radio)

mqtt_client = MQTT.MQTT(
    broker="io.adafruit.com",
    port=1883,
    username=aio_username,
    password=aio_key,
    socket_pool=pool,
    ssl_context=ssl_context,
)

# do something with mqtt_client