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

https://github.com/tornaria/void-packages fastjsonschema
https://github.com/void-linux/void-packages/pull/42623

python3-fastjsonschema: update to 2.16.3.
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#### Testing the changes
- I tested the changes in this PR: **briefly**

I tested this with sagemath.

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A patch file from https://github.com/void-linux/void-packages/pull/42623.patch is attached