This is a part of my graduation project,when I try to run ‘python rllib/ppo_runner.py --benchmark_name merge4_Sim --num_cpus number_of_cores --lr 5e-5 --num_rollouts 2’ for Centralized experiments,an error occurred .Please see the attachment for the specific error screenshot.(remarks:I have installed the required modules according to the prompts).An error is reported Installed module versions
I tried to install and update module on the terminal,but it didn't work out.I except to know the reason for the error and how to solve this problem.