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

https://github.com/pfpulux/void-packages python3-Flask
https://github.com/void-linux/void-packages/pull/36335

python3-Flask: update to 2.0.3.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/36335.patch is attached