There's a merged pull request on the void-packages repository

python3-occ: patch for python 3.10
https://github.com/void-linux/void-packages/pull/35005

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

#### Local build testing
- I built this PR locally for my native architecture, x64-glibc

I've opened an issue upstream, hopefully the patch will be included in the next release.