Update setup.py
Update setup.py

`PongNoFrameskip-v4` seems to require `gym>=0.9.1`
peheje/baselines,pcchenxi/baseline,brain-research/mirage-rl-bpttv,ViktorM/baselines,pcchenxi/baseline,hill-a/stable-baselines,learnercys/baselines,pcchenxi/baseline,openai/baselines,hill-a/stable-baselines,pcchenxi/baseline,brain-research/mirage-rl-bpttv,openai/baselines,feiwang3311/baseline