How to run dreamerV3

How severe does this issue affect your experience of using Ray?

  • High: It blocks me to complete my task.

Anybody have ran dreamerV3 with ray version 2.31.0?

ray/rllib/tuned_examples/dreamerv3/ at master · ray-project/ray (

I tried to run the code above, but ray stopped due to an error.

File “~/miniconda3/envs/ray/lib/python3.9/site-packages/ray/rllib/algorithms/dreamerv3/utils/”, line 76, in init
if self.config.env.startswith(“ALE/”):
AttributeError: ‘NoneType’ object has no attribute ‘startswith’