def _reset(self):
        '''
            Reset current states at the beginning of an episode
            Note: deepcopy is required to prevent Mujoco changing the states
                  under the hood
        '''
        obs, info = self.env.reset()
        self._ob = copy.deepcopy(obs)
        self.last_n.clear()
        return self._ob, info

            Reset current states at the beginning of an episode
            Note: deepcopy is required to prevent Mujoco changing the states
                  under the hood
        
surreal/env/exp_sender_wrapper.py