ruff/crates/ruff_python_semantic
Robsdedude 6802c4702f
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[flake8-pyi] Expand Optional[A] to A | None (PYI016) (#18572)
## Summary
Under preview 🧪 I've expanded rule `PYI016` to also flag type
union duplicates containing `None` and `Optional`.

## Test Plan
Examples/tests have been added. I've made sure that the existing
examples did not change unless preview is enabled.

## Relevant Issues
* https://github.com/astral-sh/ruff/issues/18508 (discussing
introducing/extending a rule to flag `Optional[None]`)
* https://github.com/astral-sh/ruff/issues/18546 (where I discussed this
addition with @AlexWaygood)

---------

Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
2025-06-27 15:43:11 +00:00
..
resources/test/fixtures/cfg Control flow: return and raise (#17121) 2025-04-03 08:30:29 -05:00
src [flake8-pyi] Expand Optional[A] to A | None (PYI016) (#18572) 2025-06-27 15:43:11 +00:00
Cargo.toml Control flow graph: setup (#17064) 2025-04-01 05:53:42 -05:00