code: def min_pulse_sp(self):
          
          self._min_pulse_sp, value = self.get_attr_int(self._min_pulse_sp, 'min_pulse_sp')
          return value
docs: Used to set the pulse size in milliseconds for the signal that tells the
          servo to drive to the miniumum (counter-clockwise) position_sp. Default value
          is 600. Valid values are 300 to 700. You must write to the position_sp
          attribute for changes to this attribute to take effect.