configure PWM/GPIO for Motor

#!/usr/bin/python3

# Use for PWM on /dev/bone/pwm/

#from pathlib import Path
from NewMotor_TB6600 import Pwm  # see https://pastebin.com/R70P1wAn
from time import sleep
import gpiod
import os

CHIP = 'gpiochip1'
LINE_OFFSET = [28]

chip = gpiod.Chip(CHIP)

lines = chip.get_lines(LINE_OFFSET)
lines.request(consumer=' ', type=gpiod.LINE_REQ_DIR_OUT)

lines.set_values([0])

pwm1b = Pwm('/dev/bone/pwm/1/b/')
pwm1a = Pwm('/dev/bone/pwm/1/a/')

try:
    while True:
        port = int(input("Please type 0 or 1 : "))
        if port == 0:
            lines.set_values([1])
            pwm1b.duty_cycle = 1000
            pwm1b.frequency = 2000
            pwm1b.value = 0.5
            pwm1b.enabled = True
            sleep(2)
        elif port == 1:
            lines.set_values([1])
            pwm1a.duty_cycle = 1000
            pwm1a.frequency = 2000
            pwm1a.value = 0.5
            pwm1a.enabled = True
            sleep(2)
except KeyboardInterrupt:
    pwm1b.enabled = False
    pwm1a.enabled = False
    print("Kosher Salt!")