Update cartpole_gym_replay.py

cartpole_gym_replay.py

@@ -59,17 +59,17 @@ class DecisionTransformerGymDataset(datasets.GeneratorBasedBuilder):
         ]
     # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
     def _generate_examples(self, filepath, split):
-        with open(filepath, "r") as f:
-            #trajectories = pickle.load(f)
-            traj = np.load(f)
-            obs = traj["observations"]
-            act = traj["actions"]
-            rew = traj["rewards"]
-            done = traj["dones"]
-            for idx, value in enumerate(obs):
-                yield idx, {
-                    "observations": obs[i],
-                    "actions": act[i],
-                    "rewards": rew[i],
-                    "dones": done[i],
-                }
+        
+        #trajectories = pickle.load(f)
+        traj = np.load(filepath)
+        obs = traj["observations"]
+        act = traj["actions"]
+        rew = traj["rewards"]
+        done = traj["dones"]
+        for idx, value in enumerate(obs):
+            yield idx, {
+                "observations": obs[i],
+                "actions": act[i],
+                "rewards": rew[i],
+                "dones": done[i],
+            }