There is an updated pull request by classabbyamp against master on the void-packages repository

https://github.com/classabbyamp/void-packages fix/python3-pivy
https://github.com/void-linux/void-packages/pull/36724

python3-pivy: fix for Python 3.10
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backports coin3d/pivy#91

#### Testing the changes
- I tested the changes in this PR: **briefly**

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A patch file from https://github.com/void-linux/void-packages/pull/36724.patch is attached