[ty] resolve union-likes in emitting union attribute errors#24263
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[ty] resolve union-likes in emitting union attribute errors#24263
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Typing conformance resultsNo changes detected ✅Current numbersThe percentage of diagnostics emitted that were expected errors held steady at 86.59%. The percentage of expected errors that received a diagnostic held steady at 80.96%. The number of fully passing files held steady at 68/132. |
Memory usage reportMemory usage unchanged ✅ |
|
| Lint rule | Added | Removed | Changed |
|---|---|---|---|
invalid-await |
0 | 40 | 0 |
unresolved-attribute |
0 | 0 | 7 |
invalid-return-type |
0 | 1 | 0 |
| Total | 0 | 41 | 7 |
Changes in flaky projects detected. Raw diff output excludes flaky projects; see the HTML report for details.
Raw diff:
scipy (https://github.com/scipy/scipy)
- scipy/spatial/transform/_rigid_transform.py:1400:25 error[unresolved-attribute] Attribute `dtype` is not defined on `int`, `slice[Any, Any, Any]`, `EllipsisType`, `None` in union `int | slice[Any, Any, Any] | EllipsisType | None | ArrayLike`
+ scipy/spatial/transform/_rigid_transform.py:1400:25 error[unresolved-attribute] Attribute `dtype` is not defined on `int`, `slice[Any, Any, Any]`, `EllipsisType`, `None`, `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `int | slice[Any, Any, Any] | EllipsisType | None | ArrayLike`
- scipy/spatial/transform/_rigid_transform.py:1402:36 error[unresolved-attribute] Attribute `dtype` is not defined on `int`, `slice[Any, Any, Any]`, `EllipsisType`, `None` in union `int | slice[Any, Any, Any] | EllipsisType | None | ArrayLike`
+ scipy/spatial/transform/_rigid_transform.py:1402:36 error[unresolved-attribute] Attribute `dtype` is not defined on `int`, `slice[Any, Any, Any]`, `EllipsisType`, `None`, `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `int | slice[Any, Any, Any] | EllipsisType | None | ArrayLike`
- scipy/spatial/transform/_rotation_xp.py:421:8 error[unresolved-attribute] Attribute `shape` is not defined on `ArrayLike` in union `ArrayLike`
+ scipy/spatial/transform/_rotation_xp.py:421:8 error[unresolved-attribute] Attribute `shape` is not defined on `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `int`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `ArrayLike`
- scipy/spatial/transform/_rotation_xp.py:422:50 error[unresolved-attribute] Attribute `shape` is not defined on `ArrayLike` in union `ArrayLike`
+ scipy/spatial/transform/_rotation_xp.py:422:50 error[unresolved-attribute] Attribute `shape` is not defined on `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `int`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `ArrayLike`
- scipy/spatial/transform/_rotation_xp.py:423:8 error[unresolved-attribute] Attribute `shape` is not defined on `ArrayLike` in union `ArrayLike`
+ scipy/spatial/transform/_rotation_xp.py:423:8 error[unresolved-attribute] Attribute `shape` is not defined on `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `int`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `ArrayLike`
- scipy/spatial/transform/_rotation_xp.py:425:26 error[unresolved-attribute] Attribute `shape` is not defined on `ArrayLike` in union `ArrayLike`
+ scipy/spatial/transform/_rotation_xp.py:425:26 error[unresolved-attribute] Attribute `shape` is not defined on `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `int`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `ArrayLike`
- scipy/spatial/transform/_rotation_xp.py:427:66 error[unresolved-attribute] Attribute `shape` is not defined on `ArrayLike` in union `ArrayLike`
+ scipy/spatial/transform/_rotation_xp.py:427:66 error[unresolved-attribute] Attribute `shape` is not defined on `Buffer`, `_SupportsArray[dtype[Any]]`, `_NestedSequence[_SupportsArray[dtype[Any]]]`, `int`, `float`, `complex`, `str`, `_NestedSequence[int | float | complex | bytes | str]` in union `ArrayLike`
charliermarsh
approved these changes
Mar 28, 2026
carljm
added a commit
that referenced
this pull request
Mar 31, 2026
* main: (40 commits) [ty] resolve union-likes in emitting union attribute errors (#24263) [ty] Improve support for `Callable` type context (#23888) [ty] Propagate type context through `await` expressions (#24256) [`pyflakes`] Flag annotated variable redeclarations as `F811` in preview mode (#24244) [ty] Preserve `Divergent` when materializing recursive aliases (#24245) Fix W391 fixes for consecutive empty notebook cells (#24236) [flake8-bugbear] Clarify RUF071 fix safety for non-path string comparisons (#24149) [ty] Ban type qualifiers in PEP-695 type aliases (#24242) [ty] Include keyword-prefixed symbols in completions for attributes (#24232) [ty] Add tests for TypedDict method overloads on unions (#24230) [ty] report unused bindings as unnecessary hint diagnostics (#23305) Remove unused `non_root` variable (#24238) Extend F507 to flag %-format strings with zero placeholders (#24215) [`flake8-simplify`] Suppress `SIM105` for `except*` before Python 3.12 (#23869) Ignore pre-initialization references in SIM113 (#24235) Parenthesize expression in RUF050 fix (#24234) Publish playgrounds using the `release-playground` environment (#24223) [ty] Fix instance-attribute lookup in methods of protocol classes (#24213) [ty] Used shared expression cache during generic call inference (#24219) [ty] make `Type::BoundMethod` include instances of same-named methods bound to a subclass (#24039) ...
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Summary
Fixes astral-sh/ty#3161
When emitting attribute errors on a union, make sure we descend into union-likes (type aliases to unions, typevars) as well.
Test Plan
Added mdtest.