$ python -V and if Python is installed on your machine, this command should print something like Python 3.10.0 If your Python version is less than 3.10.0, you should install a newer version. If the ...

I'm getting the same issue, I'm wondering if you ever found the solution to this? For me I get it for any python version >= 3.10.x. I am able to install at least 3.9.x and 3.8.x.

Tracking issue for getting the pieces into place to support Python 3.10 in Pillow 8.4.0, scheduled for 2021-10-15.