TypeError: must be str, not NoneType

openai / maddpg

Code for the MADDPG algorithm from the paper "Multi-Agent Actor-Critic for Mixed Cooperative-Competitive Environments"

https://arxiv.org/pdf/1706.02275.pdf

MIT License

1.66k stars 494 forks source link

Closed CHH3213 closed 4 years ago

CHH3213 commented 4 years ago

line183: rew_file_name = arglist.plots_dir + arglist.exp_name + '_rewards.pkl' TypeError: must be str, not NoneType

How to solve it please?