Python 3.10 Support

Python 3.10 was released on 4th October 2021.

However, NumPy 1.21.5 may not support is yet.
NumPy 1.22.0 maybe supports Python 3.10

Dependencies and Frameworks

• NumPy
• Ray (issue)
• gym-algorithmic
• gym-legacy-toytext
• TensorFlow
• PyTorch