def getObservation(self):
        """ do we think we heard something on the left or on the right?  """
        if self.tigerLeft:
            obs = array([1, 0])
        else:
            obs = array([0, 1])
        if random() < self.stochObs:
            obs = obs - 1
        return obs
dataset/ETHPy150Open pybrain/pybrain/pybrain/rl/environments/mazes/tasks/tiger.py/TigerTask.getObservation/swapped operands of `-`