ModuleNotFoundError: No module named 'rl_zoo3'

Beginners
1

I get this error when excuting train or evaluate cells en Unit 3 Reinforcement Learning Course

 ModuleNotFoundError: No module named 'rl_zoo3'

I will appreciate any help

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2

Did you find the solution? It might be because the Google Colab session expired. Or at least this happened to me, so I needed to do everything all over again.