[ty] Gradual constraints head by ibraheemdev · Pull Request #27900 · astral-sh/ruff

ibraheemdev · 2026-08-19T18:56:00Z

Splitting out parts of the quantification stack necessary for #26873. This is not intended to be merged.

astral-sh-bot · 2026-08-19T18:58:13Z

Typing conformance results

No changes detected ✅

Current numbers

The percentage of diagnostics emitted that were expected errors held steady at 97.69%. The percentage of expected errors that received a diagnostic held steady at 93.71%. The number of fully passing files held steady at 110/136.

astral-sh-bot · 2026-08-19T18:59:25Z

Memory usage report

Summary

Project	Old	New	Diff	Outcome
prefect	476.14MB	476.25MB	+0.02% (116.24kB)	⏫
sphinx	172.44MB	172.44MB	+0.00% (1.39kB)	⏫
flake8	40.14MB	40.14MB	-	✅
trio	96.75MB	96.73MB	-0.03% (25.95kB)	⬇️

Significant changes

Click to expand detailed breakdown

prefect

Name	Old	New	Diff	Outcome
`CallableType`	8.55MB	8.57MB	+0.22% (18.99kB)	⏫
`ProtocolInterface`	780.95kB	795.76kB	+1.90% (14.81kB)	⏫
`Specialization`	5.00MB	5.00MB	+0.20% (10.08kB)	⏫
`Type<'db>::apply_specialization_inner_::interned_arguments`	5.44MB	5.45MB	+0.15% (8.12kB)	⏫
`FunctionType`	6.81MB	6.82MB	+0.10% (7.19kB)	⏫
`StaticClassLiteral<'db>::try_mro_specialized_`	4.49MB	4.49MB	+0.16% (7.18kB)	⏫
`Type<'db>::apply_specialization_inner_`	3.74MB	3.74MB	+0.15% (5.86kB)	⏫
`GenericAlias`	1.87MB	1.87MB	+0.27% (5.20kB)	⏫
`FunctionType<'db>::signature_`	4.96MB	4.96MB	+0.09% (4.77kB)	⏫
`Type<'db>::cached_materialization_`	1.13MB	1.13MB	+0.40% (4.62kB)	⏫
`IntersectionType`	1.62MB	1.61MB	-0.27% (4.44kB)	⬇️
`cached_protocol_interface`	214.02kB	217.95kB	+1.84% (3.94kB)	⏫
`protocol_apply_self_with_receiver::interned_arguments`	692.15kB	696.01kB	+0.56% (3.86kB)	⏫
`StaticClassLiteral<'db>::try_mro_specialized_::interned_arguments`	1.25MB	1.25MB	+0.21% (2.74kB)	⏫
`Type<'db>::cached_materialization_::interned_arguments`	1.49MB	1.49MB	+0.18% (2.73kB)	⏫
...			31 more

sphinx

Name	Old	New	Diff	Outcome
`TypePair`	2.18MB	2.18MB	+0.01% (288.00B)	⏫
`infer_expression_types_impl`	12.02MB	12.02MB	+0.00% (256.00B)	⏫
`IntersectionType`	631.39kB	631.55kB	+0.03% (168.00B)	⏫
`infer_definition_types`	11.61MB	11.61MB	+0.00% (128.00B)	⏫
`TypeVarInference`	355.75kB	355.88kB	+0.04% (128.00B)	⏫
`Specialization`	1.70MB	1.70MB	+0.01% (112.00B)	⏫
`UnionType`	627.97kB	628.08kB	+0.02% (112.00B)	⏫
`is_redundant_with_impl`	793.00kB	793.08kB	+0.01% (80.00B)	⏫
`GenericAlias`	666.00kB	666.07kB	+0.01% (72.00B)	⏫
`is_possibly_constraint_set_assignable`	84.78kB	84.82kB	+0.05% (40.00B)	⏫
`specialization_inner`	148.25kB	148.29kB	+0.03% (40.00B)	⏫

trio

Name	Old	New	Diff	Outcome
`when_constraint_set_assignable_to_owned_impl`	734.35kB	721.17kB	-1.79% (13.18kB)	⬇️
`TypePair`	1.04MB	1.03MB	-0.54% (5.72kB)	⬇️
`IntersectionType`	289.08kB	287.19kB	-0.65% (1.89kB)	⬇️
`is_redundant_with_impl`	370.22kB	369.13kB	-0.29% (1.09kB)	⬇️
`UnionType`	325.33kB	324.25kB	-0.33% (1.08kB)	⬇️
`assignable_solutions_impl`	121.85kB	120.96kB	-0.73% (912.00B)	⬇️
`StaticClassLiteral<'db>::variance_of_owner_::interned_arguments`	43.14kB	42.28kB	-1.99% (880.00B)	⬇️
`Type<'db>::cached_materialization_::interned_arguments`	323.28kB	322.50kB	-0.24% (800.00B)	⬇️
`union_from_two_elements`	42.55kB	42.02kB	-1.23% (536.00B)	⬇️
`Type<'db>::cached_materialization_`	233.48kB	233.02kB	-0.20% (480.00B)	⬇️
`StaticClassLiteral<'db>::try_mro_specialized_`	854.12kB	854.52kB	+0.05% (416.00B)	⏫
`StaticClassLiteral<'db>::variance_of_owner_`	21.37kB	20.98kB	-1.83% (400.00B)	⬇️
`Type<'db>::apply_specialization_inner_::interned_arguments`	1.26MB	1.26MB	+0.02% (320.00B)	⏫
`Type<'db>::apply_specialization_inner_`	879.11kB	879.36kB	+0.03% (256.00B)	⏫
`TupleType`	204.78kB	204.62kB	-0.08% (160.00B)	⬇️
...			15 more

astral-sh-bot · 2026-08-19T19:01:33Z

`ecosystem-analyzer` results

Lint rule	Added	Removed	Changed
`unresolved-attribute`	0	0	23
`unsound-yield`	14	0	0
`invalid-return-type`	4	1	8
`invalid-argument-type`	0	1	10
`unsupported-operator`	0	0	8
`unsound-return-statement`	3	3	0
`no-matching-overload`	1	3	0
`invalid-assignment`	2	0	1
`unsound-assignment`	0	0	1
Total	24	8	51

Large timing changes:

Project	Old Time	New Time	Change
`dd-trace-py`	5.92s	0.98s	-83%

Raw diff (83 changes)

Expression (https://github.com/cognitedata/Expression)
+ README.py:521:20 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ README.py:595:20 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:84:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:116:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:148:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:221:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:279:27 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `str`
+ tests/test_async_option_builder.py:300:19 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_option_builder.py:335:16 warning[unsound-return-statement] Unsound return statement: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:84:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:116:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:152:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:225:24 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:303:27 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `str`
+ tests/test_async_result_builder.py:324:19 warning[unsound-yield] Unsound `yield`: `Any` is not a subtype of `int`
+ tests/test_async_result_builder.py:363:16 warning[unsound-return-statement] Unsound return statement: `Any` is not a subtype of `int`

core (https://github.com/home-assistant/core)
- homeassistant/components/isy994/helpers.py:235:24 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(object, /) -> object`, found `Overload[(self: LiteralString) -> LiteralString, (self) -> str]`
+ homeassistant/components/isy994/helpers.py:235:24 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(object, /) -> str`, found `Overload[(self: LiteralString) -> LiteralString, (self) -> str]`

discord.py (https://github.com/Rapptz/discord.py)
- discord/app_commands/checks.py:390:42 error[invalid-assignment] Object of type `Coroutine[Any, Any, Cooldown | None] | None | Cooldown` is not assignable to `Cooldown | None`
+ discord/app_commands/checks.py:390:42 error[invalid-assignment] Object of type `Coroutine[Any, Any, Cooldown | None] | Cooldown | None` is not assignable to `Cooldown | None`

hydpy (https://github.com/hydpy-dev/hydpy)
- hydpy/auxs/interptools.py:162:17 warning[unsound-assignment] Unsound assignment: `float | Sequence[float] | ndarray[tuple[int], dtype[float64]] | Any | ndarray[tuple[Any, ...], dtype[float64]]` is not a subtype of `float | Sequence[float] | ndarray[tuple[int], dtype[float64]]`
+ hydpy/auxs/interptools.py:162:17 warning[unsound-assignment] Unsound assignment: `float | Sequence[float] | ndarray[tuple[int], dtype[float64]] | ndarray[tuple[Any, ...], dtype[float64]] | Any` is not a subtype of `float | Sequence[float] | ndarray[tuple[int], dtype[float64]]`
- hydpy/auxs/interptools.py:166:36 error[invalid-argument-type] Argument to constructor `enumerate.__new__` is incorrect: Expected `Iterable[Unknown]`, found `int | (Sequence[float] & ~float*) | (ndarray[tuple[int], dtype[float64]] & ~float*) | (Any & ~float*) | (ndarray[tuple[Any, ...], dtype[float64]] & ~float*)`
+ hydpy/auxs/interptools.py:166:36 error[invalid-argument-type] Argument to constructor `enumerate.__new__` is incorrect: Expected `Iterable[Unknown]`, found `int | (Sequence[float] & ~float*) | (ndarray[tuple[int], dtype[float64]] & ~float*) | (ndarray[tuple[Any, ...], dtype[float64]] & ~float*) | (Any & ~float*)`

ibis (https://github.com/ibis-project/ibis)
- ibis/expr/datatypes/core.py:879:17 error[no-matching-overload] No overload of bound method `str.join` matches arguments

jax (https://github.com/google/jax)
- jax/_src/checkify.py:1306:14 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int, int, int] | tuple[int] | tuple[int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
+ jax/_src/checkify.py:1306:14 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_SupportsShape[tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]] | _Buffer | _SupportsArray[dtype[Any]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
- jax/_src/lax/control_flow/solves.py:202:24 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int, int, int] | tuple[int] | tuple[int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
+ jax/_src/lax/control_flow/solves.py:202:24 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_SupportsShape[tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]] | _Buffer | _SupportsArray[dtype[Any]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
- jax/_src/lax/control_flow/solves.py:203:26 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int, int, int] | tuple[int] | tuple[int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
+ jax/_src/lax/control_flow/solves.py:203:26 error[invalid-argument-type] Argument to function `safe_map` is incorrect: Expected `(_SupportsShape[tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]] | _Buffer | _SupportsArray[dtype[Any]] | ... omitted 4 union elements, /) -> tuple[Any, ...] | tuple[int] | tuple[int, int] | tuple[int, int, int]`, found `Overload[(a: _SupportsShape[Never]) -> tuple[Any, ...], [_ShapeT](a: _SupportsShape[_ShapeT]) -> _ShapeT, (a: complex | bytes | str) -> tuple[()], [_PyScalarT](a: list[_PyScalarT] | tuple[_PyScalarT, ...]) -> tuple[int], [_PyScalarT](a: Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]) -> tuple[int, int], [_PyScalarT](a: Sequence[Sequence[list[_PyScalarT] | tuple[_PyScalarT, ...]]]) -> tuple[int, int, int], (a: memoryview[int] | bytearray) -> tuple[int], (a: _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | ... omitted 3 union elements) -> tuple[Any, ...]]`
- jax/_src/lax/convolution.py:846:18 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(tuple[int | Any, int | Any] | Any | ndarray[tuple[Any, ...], dtype[signedinteger[_64Bit]]], /) -> Unknown`, found `def prep_one_pad(pad_lo_hi: tuple[int | Any, int | Any]) -> Unknown`
+ jax/_src/lax/convolution.py:846:18 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(tuple[int | Any, int | Any] | ndarray[tuple[Any, ...], dtype[signedinteger[_64Bit]]] | Any, /) -> Unknown`, found `def prep_one_pad(pad_lo_hi: tuple[int | Any, int | Any]) -> Unknown`
+ jax/_src/pallas/mosaic/interpret/shared_memory.py:394:35 error[invalid-assignment] Object of type `dataclasses.Field[dict[MemKey@GenericSharedMemory, Allocation] | dict[str, Allocation]]` is not assignable to `dict[MemKey@GenericSharedMemory, Allocation]`

pandas (https://github.com/pandas-dev/pandas)
- pandas/core/common.py:316:21 error[invalid-argument-type] Argument to `list.__init__` is incorrect: Expected `Iterable[T@maybe_iterable_to_list]`, found `(Iterable[T@maybe_iterable_to_list] & ~Sized) | (T@maybe_iterable_to_list & Iterable[object] & ~Sized)`
+ pandas/core/common.py:316:16 error[invalid-return-type] Return type does not match returned value: expected `Collection[T@maybe_iterable_to_list] | T@maybe_iterable_to_list`, found `list[object]`
+ pandas/core/frame.py:19697:73 error[invalid-assignment] Object of type `defaultdict[HashableT2@_from_nested_dict, dict[HashableT@_from_nested_dict, T@_from_nested_dict] | dict[str, T@_from_nested_dict]]` is not assignable to `defaultdict[HashableT2@_from_nested_dict, dict[HashableT@_from_nested_dict, T@_from_nested_dict]]`

prefect (https://github.com/PrefectHQ/prefect)
- src/integrations/prefect-kubernetes/prefect_kubernetes/jobs.py:536:16 error[invalid-return-type] Return type does not match returned value: expected `dict[str, Any]`, found `CoroutineType[Any, Any, dict[str, Any]] | dict[str, Any]`
+ src/integrations/prefect-kubernetes/prefect_kubernetes/jobs.py:536:16 error[invalid-return-type] Return type does not match returned value: expected `dict[str, Any]`, found `Awaitable[CoroutineType[Any, Any, dict[str, Any]] | dict[str, Any]] | dict[str, Any]`
- src/prefect/flows.py:1749:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `CoroutineType[Any, Any, UUID] | UUID`
+ src/prefect/flows.py:1749:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `Awaitable[CoroutineType[Any, Any, UUID] | UUID] | UUID`
- src/prefect/runner/runner.py:387:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `CoroutineType[Any, Any, UUID] | UUID`
+ src/prefect/runner/runner.py:387:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `Awaitable[CoroutineType[Any, Any, UUID] | UUID] | UUID`
- src/prefect/runner/runner.py:545:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `CoroutineType[Any, Any, UUID] | UUID`
+ src/prefect/runner/runner.py:545:16 error[invalid-return-type] Return type does not match returned value: expected `UUID`, found `Awaitable[CoroutineType[Any, Any, UUID] | UUID] | UUID`
- src/prefect/runtime/deployment.py:121:12 error[unresolved-attribute] Attribute `deployment_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/deployment.py:121:12 error[unresolved-attribute] Attribute `deployment_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/deployment.py:122:24 error[unresolved-attribute] Attribute `deployment_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/deployment.py:122:24 error[unresolved-attribute] Attribute `deployment_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/deployment.py:141:12 error[unresolved-attribute] Attribute `parameters` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/deployment.py:141:12 error[unresolved-attribute] Attribute `parameters` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/deployment.py:153:12 error[unresolved-attribute] Attribute `name` is not defined on `CoroutineType[Any, Any, DeploymentResponse]` in union `CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse`
+ src/prefect/runtime/deployment.py:153:12 error[unresolved-attribute] Attribute `name` is not defined on `Awaitable[CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse]` in union `Awaitable[CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse] | DeploymentResponse`
- src/prefect/runtime/deployment.py:165:12 error[unresolved-attribute] Attribute `version` is not defined on `CoroutineType[Any, Any, DeploymentResponse]` in union `CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse`
+ src/prefect/runtime/deployment.py:165:12 error[unresolved-attribute] Attribute `version` is not defined on `Awaitable[CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse]` in union `Awaitable[CoroutineType[Any, Any, DeploymentResponse] | DeploymentResponse] | DeploymentResponse`
- src/prefect/runtime/flow_run.py:158:16 error[unresolved-attribute] Attribute `tags` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:158:16 error[unresolved-attribute] Attribute `tags` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:173:16 error[unresolved-attribute] Attribute `run_count` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:173:16 error[unresolved-attribute] Attribute `run_count` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:188:16 error[unresolved-attribute] Attribute `name` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:188:16 error[unresolved-attribute] Attribute `name` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:203:16 error[unresolved-attribute] Attribute `name` is not defined on `CoroutineType[Any, Any, Flow]` in union `CoroutineType[Any, Any, Flow] | Flow`
+ src/prefect/runtime/flow_run.py:203:16 error[unresolved-attribute] Attribute `name` is not defined on `Awaitable[CoroutineType[Any, Any, Flow] | Flow]` in union `Awaitable[CoroutineType[Any, Any, Flow] | Flow] | Flow`
- src/prefect/runtime/flow_run.py:218:16 error[unresolved-attribute] Object of type `CoroutineType[Any, Any, Flow] | Flow` has no attribute `version`
+ src/prefect/runtime/flow_run.py:218:16 error[unresolved-attribute] Object of type `Awaitable[CoroutineType[Any, Any, Flow] | Flow] | Flow` has no attribute `version`
- src/prefect/runtime/flow_run.py:233:16 error[unresolved-attribute] Attribute `expected_start_time` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:233:16 error[unresolved-attribute] Attribute `expected_start_time` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:249:16 error[unresolved-attribute] Attribute `parameters` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:249:16 error[unresolved-attribute] Attribute `parameters` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:263:30 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:263:30 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:271:20 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `CoroutineType[Any, Any, TaskRun]` in union `CoroutineType[Any, Any, TaskRun] | TaskRun`
+ src/prefect/runtime/flow_run.py:271:20 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun]` in union `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun] | TaskRun`
- src/prefect/runtime/flow_run.py:271:52 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `CoroutineType[Any, Any, TaskRun]` in union `CoroutineType[Any, Any, TaskRun] | TaskRun`
+ src/prefect/runtime/flow_run.py:271:52 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun]` in union `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun] | TaskRun`
- src/prefect/runtime/flow_run.py:287:17 error[unresolved-attribute] Attribute `deployment_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | (FlowRun & ~AlwaysFalsy)`
+ src/prefect/runtime/flow_run.py:287:17 error[unresolved-attribute] Attribute `deployment_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] & ~AlwaysFalsy` in union `(Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] & ~AlwaysFalsy) | (FlowRun & ~AlwaysFalsy)`
- src/prefect/runtime/flow_run.py:288:16 error[unresolved-attribute] Attribute `deployment_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | (FlowRun & ~AlwaysFalsy)`
+ src/prefect/runtime/flow_run.py:288:16 error[unresolved-attribute] Attribute `deployment_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] & ~AlwaysFalsy` in union `(Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] & ~AlwaysFalsy) | (FlowRun & ~AlwaysFalsy)`
- src/prefect/runtime/flow_run.py:306:12 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:306:12 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:310:44 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `CoroutineType[Any, Any, FlowRun]` in union `CoroutineType[Any, Any, FlowRun] | FlowRun`
+ src/prefect/runtime/flow_run.py:310:44 error[unresolved-attribute] Attribute `parent_task_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun]` in union `Awaitable[CoroutineType[Any, Any, FlowRun] | FlowRun] | FlowRun`
- src/prefect/runtime/flow_run.py:312:42 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `CoroutineType[Any, Any, TaskRun]` in union `CoroutineType[Any, Any, TaskRun] | TaskRun`
+ src/prefect/runtime/flow_run.py:312:42 error[unresolved-attribute] Attribute `flow_run_id` is not defined on `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun]` in union `Awaitable[CoroutineType[Any, Any, TaskRun] | TaskRun] | TaskRun`
- src/prefect/tasks.py:1227:16 error[invalid-return-type] Return type does not match returned value: expected `T@__call__ | State[T@__call__] | None`, found `State[T@__call__] | T@__call__ | State[Never]`
+ src/prefect/tasks.py:1227:16 error[no-matching-overload] No overload of function `run_task` matches arguments
+ src/prefect/tasks.py:1227:16 warning[unsound-return-statement] Unsound return statement: `Unknown` is not a subtype of `T@__call__ | State[T@__call__] | None`
- src/prefect/utilities/asyncutils/__init__.py:198:16 error[invalid-return-type] Return type does not match returned value: expected `R@run_coro_as_sync | None`, found `CoroutineType[Any, Any, R@run_coro_as_sync | None] | None | R@run_coro_as_sync`
+ src/prefect/utilities/asyncutils/__init__.py:198:16 error[invalid-return-type] Return type does not match returned value: expected `R@run_coro_as_sync | None`, found `CoroutineType[Any, Any, R@run_coro_as_sync | None] | R@run_coro_as_sync | None`
- src/prefect/utilities/asyncutils/__init__.py:207:20 error[invalid-return-type] Return type does not match returned value: expected `R@run_coro_as_sync | None`, found `CoroutineType[Any, Any, R@run_coro_as_sync | None] | None | R@run_coro_as_sync`
+ src/prefect/utilities/asyncutils/__init__.py:207:20 error[invalid-return-type] Return type does not match returned value: expected `R@run_coro_as_sync | None`, found `CoroutineType[Any, Any, R@run_coro_as_sync | None] | R@run_coro_as_sync | None`

pytest-autoprofile (https://gitlab.com/TTsangSC/pytest-autoprofile)
+ src/pytest_autoprofile/_test_utils.py:1587:16 error[invalid-return-type] Return type does not match returned value: expected `((((**PS@environment_fixture) -> tuple[Path | Sequence[str] | Sequence[Path], Path | Sequence[str] | Sequence[Path]]) | ((**PS@environment_fixture) -> Generator[tuple[Path | Sequence[str] | Sequence[Path], Path | Sequence[str] | Sequence[Path]], None, None]), /) -> FixtureFunctionDefinition) | FixtureFunctionDefinition`, found `partial[([**PS'return](((**PS'return) -> tuple[Path | Sequence[str] | Sequence[Path], Path | Sequence[str] | Sequence[Path]]) | ((**PS'return) -> Generator[tuple[Path | Sequence[str] | Sequence[Path], Path | Sequence[str] | Sequence[Path]], None, None]), /) -> FixtureFunctionDefinition) | FixtureFunctionDefinition]`

scikit-learn (https://github.com/scikit-learn/scikit-learn)
- sklearn/gaussian_process/kernels.py:1593:17 error[no-matching-overload] No overload of bound method `str.join` matches arguments
- sklearn/gaussian_process/kernels.py:1792:17 error[no-matching-overload] No overload of bound method `str.join` matches arguments

static-frame (https://github.com/static-frame/static-frame)
- static_frame/core/index.py:1297:16 error[invalid-return-type] Return type does not match returned value: expected `Iterator[Hashable | complex | integer[Any] | ... omitted 8 union elements]`, found `reversed[Any | ndarray[tuple[Any, ...], Any]]`
+ static_frame/core/index.py:1297:16 error[invalid-return-type] Return type does not match returned value: expected `Iterator[Hashable | complex | integer[Any] | ... omitted 8 union elements]`, found `reversed[ndarray[tuple[Any, ...], Any] | Any]`
- static_frame/core/series_mapping.py:60:16 error[invalid-return-type] Return type does not match returned value: expected `Iterator[TVValues@SeriesMappingValuesView]`, found `reversed[Any | ndarray[tuple[Any, ...], Any]]`
+ static_frame/core/series_mapping.py:60:16 error[invalid-return-type] Return type does not match returned value: expected `Iterator[TVValues@SeriesMappingValuesView]`, found `reversed[TVValues@SeriesMappingValuesView | ndarray[tuple[Any, ...], Any] | Any]`

streamlit (https://github.com/streamlit/streamlit)
- lib/streamlit/elements/widgets/button_group.py:672:16 warning[unsound-return-statement] Unsound return statement: `list[Unknown] | Unknown | None` is not a subtype of `list[V@pills] | V@pills | None`
+ lib/streamlit/elements/widgets/button_group.py:672:16 error[invalid-return-type] Return type does not match returned value: expected `list[V@pills] | V@pills | None`, found `list[V@pills | list[V@pills] | None] | V@pills | list[V@pills] | None`
- lib/streamlit/elements/widgets/button_group.py:1042:16 warning[unsound-return-statement] Unsound return statement: `list[Unknown] | Unknown | None` is not a subtype of `list[V@segmented_control] | V@segmented_control | None`
+ lib/streamlit/elements/widgets/button_group.py:1042:16 error[invalid-return-type] Return type does not match returned value: expected `list[V@segmented_control] | V@segmented_control | None`, found `list[V@segmented_control | list[V@segmented_control] | None] | V@segmented_control | list[V@segmented_control] | None`
- lib/streamlit/elements/widgets/select_slider.py:416:16 warning[unsound-return-statement] Unsound return statement: `Unknown | tuple[Unknown, Unknown]` is not a subtype of `T@select_slider | tuple[T@select_slider, T@select_slider]`

sympy (https://github.com/sympy/sympy)
- sympy/functions/special/beta_functions.py:270:31 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(Basic, /) -> Basic`, found `<class 'conjugate'>`
+ sympy/functions/special/beta_functions.py:270:31 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(Basic, /) -> Expr`, found `<class 'conjugate'>`
- sympy/functions/special/beta_functions.py:386:31 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(Basic, /) -> Basic`, found `<class 'conjugate'>`
+ sympy/functions/special/beta_functions.py:386:31 error[invalid-argument-type] Argument to constructor `map.__new__` is incorrect: Expected `(Basic, /) -> Expr`, found `<class 'conjugate'>`
- sympy/physics/hydrogen.py:84:11 error[unsupported-operator] Operator `-` is not supported between two objects of type `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:84:11 error[unsupported-operator] Operator `-` is not supported between two objects of type `Basic | Unknown | int`
- sympy/physics/hydrogen.py:86:9 error[unsupported-operator] Operator `/` is not supported between objects of type `Literal[1]` and `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:86:9 error[unsupported-operator] Operator `/` is not supported between objects of type `Literal[1]` and `Basic | Unknown | int`
- sympy/physics/hydrogen.py:87:10 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:87:10 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | Unknown | int`
- sympy/physics/hydrogen.py:89:50 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:89:50 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | Unknown | int`
- sympy/physics/hydrogen.py:89:64 error[unsupported-operator] Operator `+` is not supported between two objects of type `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:89:64 error[unsupported-operator] Operator `+` is not supported between two objects of type `Basic | Unknown | int`
- sympy/physics/hydrogen.py:93:44 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:93:44 error[unsupported-operator] Operator `*` is not supported between objects of type `Literal[2]` and `Basic | Unknown | int`
- sympy/physics/hydrogen.py:288:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:288:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | Unknown | int`
- sympy/physics/hydrogen.py:288:25 error[unsupported-operator] Operator `<` is not supported between objects of type `Basic | int | Unknown` and `Literal[1]`
+ sympy/physics/hydrogen.py:288:25 error[unsupported-operator] Operator `<` is not supported between objects of type `Basic | Unknown | int` and `Literal[1]`
- sympy/physics/hydrogen.py:290:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:290:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | Unknown | int`
- sympy/physics/hydrogen.py:290:30 error[unsupported-operator] Operator `>` is not supported between two objects of type `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:290:30 error[unsupported-operator] Operator `>` is not supported between two objects of type `Basic | Unknown | int`
- sympy/physics/hydrogen.py:292:34 error[invalid-argument-type] Argument to function `abs` is incorrect: Expected `SupportsAbs[Unknown]`, found `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:292:34 error[invalid-argument-type] Argument to function `abs` is incorrect: Expected `SupportsAbs[Unknown]`, found `Basic | Unknown | int`
- sympy/physics/hydrogen.py:292:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | int | Unknown`
+ sympy/physics/hydrogen.py:292:8 error[unresolved-attribute] Attribute `is_integer` is not defined on `int` in union `Basic | Unknown | int`

tornado (https://github.com/tornadoweb/tornado)
- tornado/gen.py:239:62 error[invalid-argument-type] Argument to `Runner.__init__` is incorrect: Expected `None | Awaitable[Unknown] | list[Awaitable[Unknown]] | dict[Any, Awaitable[Unknown]] | Future[Unknown]`, found `_T@next | _VT@next | _T@next`
+ tornado/gen.py:239:62 error[invalid-argument-type] Argument to `Runner.__init__` is incorrect: Expected `None | Awaitable[Unknown] | list[Awaitable[Unknown]] | dict[Any, Awaitable[Unknown]] | Future[Unknown]`, found `_T@next | _T@next | _VT@next`

Full report with detailed diff (timing results)

codspeed-hq · 2026-08-19T19:12:08Z

Merging this PR will improve performance by 10.22%

⚠️

Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 4 improved benchmarks
✅ 182 untouched benchmarks
🆕 20 new benchmarks
⏩ 24 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
⚡	Simulation	`attrs (frozen inputs)`	623.9 ms	561 ms	+11.21%
⚡	Simulation	`attrs`	656.2 ms	592.7 ms	+10.72%
⚡	Simulation	`attrs (all rules)`	657.8 ms	594.5 ms	+10.65%
⚡	Simulation	`ty_micro[pandas_tdd]`	402 ms	371.1 ms	+8.32%
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/first/12]`	N/A	63.9 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/first/16]`	N/A	65.6 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/first/20]`	N/A	67.4 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/first/4]`	N/A	60.9 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/first/8]`	N/A	62.4 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/last/12]`	N/A	64.1 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/last/16]`	N/A	65.5 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/last/20]`	N/A	67 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/last/4]`	N/A	61 ms	N/A
🆕	Simulation	`ty_micro[independent_noninferable_alternatives/last/8]`	N/A	62.3 ms	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/first/12]`	N/A	8.2 MB	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/first/16]`	N/A	8.3 MB	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/first/20]`	N/A	8.3 MB	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/first/4]`	N/A	8.2 MB	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/first/8]`	N/A	8.2 MB	N/A
🆕	Memory	`ty_micro[independent_noninferable_alternatives/last/12]`	N/A	8.2 MB	N/A
...	...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

Tip

Curious why this is faster? Use the CodSpeed MCP and ask your agent.

_{Comparing ibraheem/quantification-stack (8aa001c) with main (3070999)}

24 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

… benchmark

…n plan

…ver limitations

…ssions

ibraheemdev added the ty Multi-file analysis & type inference label Aug 19, 2026

ibraheemdev changed the title ~~[ty] Gradual constraints dependencies~~ [ty] Gradual constraints head Aug 19, 2026

ibraheemdev force-pushed the ibraheem/quantification-stack branch from bac63d2 to 851b709 Compare August 21, 2026 04:59

dcreager added 11 commits August 24, 2026 16:01

add custom walker

711e36f

hook up the new solution walker

e688e7d

a single empty path shouldn't be viral

13fe8cb

[π] Add inferability regression coverage and independent-alternatives…

84e10f6

… benchmark

clippity bippity

457931b

[π] Address original review feedback and document solver investigatio…

972bab6

…n plan

[π] Diagnose inferability review follow-ups and document existing sol…

bd449b3

…ver limitations

remove analysis plan

a5e2a99

clearer TODO xfails

da51681

[π] Cover ecosystem dictionary-factory and iterable-constructor regre…

40cdda1

…ssions

[π] Preserve main-compatible relevant non-inferable solution bindings

8aa001c

ibraheemdev force-pushed the ibraheem/quantification-stack branch from 851b709 to 8aa001c Compare August 24, 2026 20:11

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[ty] Gradual constraints head - #27900

[ty] Gradual constraints head#27900
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ecosystem-analyzer results

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Merging this PR will improve performance by 10.22%

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