There is a new pull request by tornaria against master on the void-packages repository

https://github.com/tornaria/void-packages gmpy2
https://github.com/void-linux/void-packages/pull/40960

python3-gmpy2: update to 2.1.3.
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#### 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/40960.patch is attached