* Introduce NothingType
* Fallback to typing_extensions
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Avoid TypeAlias at runtime
* Add changelog
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Docs
* Add import, test
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Fix test
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Tin Tvrtković