Update cartpole_gym_replay.py

cartpole_gym_replay.py

@@ -61,11 +61,11 @@ class DecisionTransformerGymDataset(datasets.GeneratorBasedBuilder):
     def _generate_examples(self, filepath, split):
         
         #trajectories = pickle.load(f)
-        traj = np.load(filepath)
-        obs = traj["observations"]
-        act = traj["actions"]
-        rew = traj["rewards"]
-        done = traj["dones"]
+        #traj = np.load(filepath)
+        obs = np.load(f'{filepath}/observations.npy')
+        act = np.load(f'{filepath}/actions.npy')
+        rew = np.load(f'{filepath}/rewards.npy')
+        dones = np.load(f'{filepath}/dones.npy')
         for idx, value in enumerate(obs):
             yield idx, {
                 "observations": obs[i],