Tag Archives: gym error

[Solved] gym.error.NameNotFound: Environment PongNoFrameskip doesn’t exist.

Solution

The main reason for this error is that the gym installed is not complete enough.
When I first downloaded the gym library, I typed in

pip install gym

Later I learned that this download is the basic library

Error: gym.error.NameNotFound: Environment PongNoFrameskip doesn’t exist. Enter the following code

pip install ale-py
pip install gym[accept-rom-license]