cannot import name 'EPISODE_RETURN_MEAN' from 'ray.rllib.utils.metrics'
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luweiagi commented
What happened + What you expected to happen
~/ray/rllib/examples# python cartpole_lstm.py
Traceback (most recent call last):
File "/root/autodl-tmp/ray/rllib/examples/cartpole_lstm.py", line 9, in <module>
from ray.rllib.utils.metrics import (
ImportError: cannot import name 'EPISODE_RETURN_MEAN' from 'ray.rllib.utils.metrics' (/root/miniconda3/envs/rllib/lib/python3.11/site-packages/ray/rllib/utils/metrics/__init__.py)
Versions / Dependencies
Python 3.11.9
ray 2.22.0
Reproduction script
Issue Severity
None