servo control with circuit python and trinket m0

code.py

import board
import digitalio
import time
import pulseio
import adafruit_motor.servo
import random
pwm = pulseio.PWMOut(board.A2, frequency=50)
servo = adafruit_motor.servo.Servo(pwm, min_pulse=900, max_pulse=2400)

led = digitalio.DigitalInOut(board.D13)
led.direction = digitalio.Direction.OUTPUT


while True:
    for i in range(0,180):
        led.value = True
        servo.angle = i
        led.value = False
        time.sleep(.1)
    for i in range(180,0,-1):
        led.value = True
        servo.angle = i
        led.value = False
        time.sleep(.1)