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

https://github.com/oynqr/void-packages python3-pikepdf
https://github.com/void-linux/void-packages/pull/38115

python3-pikepdf: update to 5.4.0.
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#### Testing the changes
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Plain setuptools_scm is now used, so there's no need to patch out setuptools_scm_git_archive anymore. Since 5.1.4 the egg-info directory needs to be on PYTHONPATH to run tests, so I copy it to the correct location as a workaround. Also added new required and optional depends/checkdepends.

A patch file from https://github.com/void-linux/void-packages/pull/38115.patch is attached