def detach(self):
    if (not self.pwm_pin): return
    pwmDisable(self.pwm_pin)
    self.pwm_pin = None
    self.angle = None
Detaches the servo so so pin can be used for normal PWM 
dataset/ETHPy150Open graycatlabs/PyBBIO/bbio/libraries/Servo/Servo.py/Servo.detach