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

https://github.com/tornaria/void-packages prompt_toolkit
https://github.com/void-linux/void-packages/pull/35730

python3-prompt_toolkit: don't handle sigint
Fixes #35712

See also: https://github.com/prompt-toolkit/python-prompt-toolkit/issues/1576

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A patch file from https://github.com/void-linux/void-packages/pull/35730.patch is attached