def step(self):
        """ Move the ball by one increment """
        self.position[0] += self.xdot * 20.0 / self.radius
        self.position[1] += self.ydot * self.radius / 20.0
dataset/ETHPy150Open rlpy/rlpy/rlpy/Domains/Pinball.py/BallModel.step/swapped operands of `/`