old_contents: from Adafruit_MotorHAT import Adafruit_MotorHAT
  
  
  class Vehicle:
      def __init__(self, motor_hat=Adafruit_MotorHAT()):
          self.motor_hat = motor_hat
          self.motors = []
  
      def release(self):
          self.motor_hat.getMotor(1).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(2).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(3).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(4).run(Adafruit_MotorHAT.RELEASE)
  
      def update_motor(self, index, command, speed):
          motor = self.motor_hat.getMotor(index + 1)
          motor.run(command + 1)
          motor.setSpeed(speed)
  
          print("Set %d motor to %d command with %d speed" % (index + 1, command + 1, speed))
  
          motor_state = {"location": index, "command": command, "speed": speed}
          n = len(self.motors)
  
          if index < n:
              self.motors[index] = motor_state
          elif index == n:
              self.motors.append(motor_state)
          else:
              raise IndexError()
  
      def dict(self):
          return {"motors": self.motors}
new_contents: from Adafruit_MotorHAT import Adafruit_MotorHAT
  
  
  class Vehicle:
      def __init__(self, motor_hat=Adafruit_MotorHAT()):
          self.motor_hat = motor_hat
          self.motors = []
  
      def release(self):
          self.motor_hat.getMotor(1).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(2).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(3).run(Adafruit_MotorHAT.RELEASE)
          self.motor_hat.getMotor(4).run(Adafruit_MotorHAT.RELEASE)
  
      def update_motor(self, index, command, speed):
          motor = self.motor_hat.getMotor(index + 1)
          motor.run(command + 1)
          motor.setSpeed(speed)
  
          motor_state = {"location": index, "command": command, "speed": speed}
          n = len(self.motors)
  
          if index < n:
              self.motors[index] = motor_state
          elif index == n:
              self.motors.append(motor_state)
          else:
              raise IndexError()
  
      def dict(self):
          return {"motors": self.motors}
subject: Update motor API with new data model