old_contents: from rccar import RCCar
  from sensors import Sensors
  
  car = RCCar()
  car.cleanup_gpio()
  
  ir_pins = [24, 21]
  sonar_pins = [[25, 8]]
  sensors = Sensors(ir_pins, sonar_pins)
  sensors.cleanup_gpio()
  
new_contents: from rccar import RCCar
  
  car = RCCar()
  car.cleanup_gpio()
  
subject: Remove sensor cleanup.