Update cartpole_gym_replay.py

cartpole_gym_replay.py

@@ -6,7 +6,7 @@ import numpy as np
 # The HuggingFace Datasets library doesn't host the datasets but only points to the original files.
 # This can be an arbitrary nested dict/list of URLs (see below in `_split_generators` method)
 _BASE_URL = "https://huggingface.co/datasets/marktrovinger/cartpole_gym_replay/resolve/main"
-_DATA_URL = f"{_BASE_URL}/replay_buffer_pkl.pkl"
+_DATA_URL = f"{_BASE_URL}/replay_buffer_npz.npz"
 
 _DESCRIPTION = """ \
 Testing a cartpole replay.
@@ -60,8 +60,8 @@ 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, "rb") as f:
-            trajectories = pickle.load(f)
-            #trajectories = np.load(f)
+            #trajectories = pickle.load(f)
+            trajectories = np.load(f)
 
             for idx, traj in enumerate(trajectories):
                 yield idx, {