I am using WSL2 and Ubuntu 20.4, I create a fresh virtual enviroment using (venv), and install gym-retro as the OpenAI official page states (), using the following command:

pip3 install gym-retro

I get no error while installing it, and then to test it I run the command (as stated in the getting started page previouly mentioned):

python3 -m retro.examples.interactive --game Airstriker-Genesis

And the get the following error:

enter image description here

Can somebody, please help me?

I have also tested it using the easiest implementation (calling retro.make("Game-name")) and I also get the same error.

1

1 Answer

Downgrade gym to 0.25.2. On release 0.26.0 the hash_seed was removed.

See: 

$ pip install gym==0.25.2

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