cloudpickle
grpcio<=1.48.2,>=1.11.0
Pillow>=4.2.1
protobuf<3.21,>=3.6
pyyaml>=3.1.0
gym>=0.21.0
pettingzoo==1.15.0
numpy<1.24.0,>=1.23.5
filelock>=3.4.0
