Marco Pleines

I believe I had more success with poetry when using the official installer. https://python-poetry.org/docs/#installing-with-the-official-installer

Hi @WilliamYue37 thanks for bringing this to our attention. Unfortunately, I don't have a Mac system available. So I was not able to reproduce your issue by following your steps....

I'm still waiting for access to a mac. Can you try using pygame-ce ([based on this conversation](https://www.reddit.com/r/pygame/comments/12b86cv/help_very_weird_transparent_issue_in_macos/))? ``` pip uninstall pygame pip install pygame-ce --upgrade ```

I was able to reproduce this issue on a macbook as well. I will try to find a fix soon.

Thanks @Reytuag for bringing up your question! It looks like that we oversaw this detail. I'm not really sure if the missing layer will boost performance, but I'll try to...

Hi @NicolasKuske can you share the code that you use to reproduce this issue?

The best way to init the environment is to specify the file path: env = ObstacleTowerEnv(environment_filename="path to ...") I wouldn't rely on the automatic download as you might need to...

Hi @Davide236 > [...] what is the point of saving the hidden states during the episodes? In PPO we sample a fixed number of steps regardless of any episode terminations....

Hidden states are still produced by iteratively feeding the recurrent cell and during optimization the cell is unrolled based on feeding the entire sequence. The sequence length is just another...

Work is still in progress, so stay tuned ;) https://github.com/MarcoMeter/episodic-transformer-memory-ppo/blob/cleanrl/train.py I'll open a PR once ready.