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## Describe the bug
It seems that envpool's vectorized environment is not compatible with gymnasium's NormalizeObservation wrapper due to missing "num_envs", "is_vector_env" and "single_observation…
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### Search before asking
- [X] I have searched the MuZero [issues](https://github.com/werner-duvaud/muzero-general/issues) and found no similar feature requests.
### Description
Update gym package…
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I'm on Win11 with Anaconda. I want to install ‘gym’ using 'pip install gym[all]'. But it always had the error ‘Failed building wheel for box2d-py’
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## Problem 1 Description
I am using Gymnasium to make a custom environment instead of gym. In my project, I'm using gymnasium.spaces.Sequence as my observation space, which seems not compatible with …
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I'm creating this issue to discuss my current ideas/progress on making `whynot` compatible with the latest version of `gymnasium`.
I'm thinking about erasing [registration.py](https://github.com/mr…
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### What happened + What you expected to happen
I am trying to get training to work while setting `remote_worker_envs` to true, but I am getting an `EOFError`
```text
Traceback (most recent call …
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(https://user-images.githubusercontent.com/118107900/229572253-90f571ad-cea9-4949-80e7-06e745f1f3bc.png)
Hi I have install all the libraries following the readme file. (Ray==2.3.1). But Following err…
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### Proposal
# current API
The current `Env` API contains:
Methods
- Env.step()
- Env.reset()
- Env.render()
- Env.close()
Attributes
- Env.action_space
- Env.observati…
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I got bad result when running` python experiments/ppo_4x4grid.py`, `outputs/4x4grid/ppo_conn0_ep2.cvs`:
![](https://raw.githubusercontent.com/sitexa/sumo-rl/v717/tests/ppo_4x4grid_result_error.jpg)
…
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### Proposal
I propose to change the type annotation of `Env.metadata` from `dict[str, Any]` to `Mapping[str, Any]`.
### Motivation
The purpose of `metadata` is to be a read-only store of certain i…