Fix some deprecation warnings

Farama-Foundation / SuperSuit

A collection of wrappers for Gymnasium and PettingZoo environments (being merged into gymnasium.wrappers and pettingzoo.wrappers

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Fix some deprecation warnings #138

Closed jjshoots closed 2 years ago

jjshoots commented 2 years ago

Now that gym is able to give warnings, Supersuit is showing some warnings from using some soon-to-be deprecated functions. This PR is just an attempt to squash some of them.