[HANDS-ON BUG]

[ADG4050]

Describe the bug

The push to hub doesnt work for Unit 2 Taxi-v3, while it worked for the frozen lake environment in the same notebook. The cell runs for 20 mins and then the RAM crashes. There is no error in the running of the cell command.

https://colab.research.google.com/github/huggingface/deep-rl-class/blob/main/notebooks/unit2/unit2.ipynb#scrollTo=dhQtiQozhOn1

Material

• Did you use Google Colab? (YES)

If not:

• Your Operating system (OS)
• Version of your OS

[simoninithomas]

Hey there 👋 I just tested and it works correctly do you have still this issue?

[zyl-hub]

error while running push_to_hub in unit 2 Part 1: Frozen Lake ⛄ (non slippery version)

/usr/local/lib/python3.10/dist-packages/gymnasium/envs/toy_text/frozen_lake.py:328: UserWarning: WARN: You are calling render method without specifying any render mode. You can specify the render_mode at initialization, e.g. gym.make("FrozenLake-v1", render_mode="rgb_array")
  gym.logger.warn(

---------------------------------------------------------------------------

ValueError                                Traceback (most recent call last)

[<ipython-input-106-2c49e77fdc00>](https://localhost:8080/#) in <cell line: 3>()
      1 username = "enchan1" # FILL THIS
      2 repo_name = "q-FrozenLake-v1-4x4-noSlippery"
----> 3 push_to_hub(
      4     repo_id=f"{username}/{repo_name}",
      5     model=model,

3 frames

[<ipython-input-103-8afd6b7fcdc5>](https://localhost:8080/#) in push_to_hub(repo_id, model, env, video_fps, local_repo_path)
    117     # Step 6: Record a video
    118     video_path = repo_local_path / "replay.mp4"
--> 119     record_video(env, model["qtable"], video_path, video_fps)
    120 
    121     # Step 7. Push everything to the Hub

[<ipython-input-102-612cbd9d56e8>](https://localhost:8080/#) in record_video(env, Qtable, out_directory, fps)
     19     img = env.render()
     20     images.append(img)
---> 21   imageio.mimsave(out_directory, [np.array(img) for i, img in enumerate(images)], fps=fps)

[/usr/local/lib/python3.10/dist-packages/imageio/v2.py](https://localhost:8080/#) in mimwrite(uri, ims, format, **kwargs)
    493     imopen_args["legacy_mode"] = True
    494     with imopen(uri, "wI", **imopen_args) as file:
--> 495         return file.write(ims, is_batch=True, **kwargs)
    496 
    497 

[/usr/local/lib/python3.10/dist-packages/imageio/core/legacy_plugin_wrapper.py](https://localhost:8080/#) in write(self, ndimage, is_batch, metadata, **kwargs)
    240 
    241                 if image.ndim < 2:
--> 242                     raise ValueError(
    243                         "The image must have at least two spatial dimensions."
    244                     )

ValueError: The image must have at least two spatial dimensions.

need your help please

[simoninithomas]

Hey there 👋 , can you provide your colab so that I can test what's wrong?