Thank you for contributing to pyo3! Please consider adding the following to your pull request: - an entry in CHANGELOG.md - docs to all new functions and / or detail in the guide - tests for all new or changed functions Be aware the CI pipeline will check your pull request for the following: - Rust tests (Just `cargo test` or `make test` if you need to test examples) - Rust lints (`make clippy`) - Rust formatting (`cargo fmt`) - Python formatting (`black . --check`. You can install black with `pip install black`) - Compatibility with all supported Python versions for all examples. This uses `tox`; you can do run it using `cargo xtask test-py`. You can run a similar set of checks as the CI pipeline using `make test`.