Update typeshed to bd18cc64#11389
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StellaHuang95 merged 1 commit intomicrosoft:mainfrom Apr 15, 2026
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StellaHuang95
requested review from
bschnurr,
erictraut,
heejaechang and
rchiodo
Contributor
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Diff from mypy_primer, showing the effect of this PR on open source code: ibis (https://github.com/ibis-project/ibis)
+ .../projects/ibis/ibis/expr/api.py:1234:12 - error: Type "Scalar" is not assignable to return type "IntervalScalar"
+ "Scalar" is not assignable to "IntervalScalar" (reportReturnType)
+ .../projects/ibis/ibis/expr/api.py:1234:29 - error: Argument of type "Overload[(a: SupportsAdd[_T_contra@add, _T_co@add], b: _T_contra@add, /) -> _T_co@add, (a: _T_contra@add, b: SupportsRAdd[_T_contra@add, _T_co@add], /) -> _T_co@add]" cannot be assigned to parameter "function" of type "(_T@reduce, _T@reduce) -> _T@reduce" in function "reduce"
+ No overloaded function matches type "(Scalar, Scalar) -> Scalar" (reportArgumentType)
- 7571 errors, 262 warnings, 0 informations
+ 7573 errors, 262 warnings, 0 informations
sympy (https://github.com/sympy/sympy)
+ .../projects/sympy/sympy/printing/rust.py:404:27 - error: Argument of type "Overload[(a: SupportsMul[_T_contra@mul, _T_co@mul], b: _T_contra@mul, /) -> _T_co@mul, (a: _T_contra@mul, b: SupportsRMul[_T_contra@mul, _T_co@mul], /) -> _T_co@mul]" cannot be assigned to parameter "function" of type "(_T@reduce, _T@reduce) -> _T@reduce" in function "reduce"
+ No overloaded function matches type "(TypeCast | Float | Unknown | int, TypeCast | Float | Unknown | int) -> (TypeCast | Float | Unknown | int)" (reportArgumentType)
- .../projects/sympy/sympy/solvers/tests/test_solveset.py:445:30 - error: Cannot access attribute "limit_denominator" for class "NaN"
- Attribute "limit_denominator" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/solvers/tests/test_solveset.py:445:30 - error: Cannot access attribute "limit_denominator" for class "ComplexInfinity"
- Attribute "limit_denominator" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/stats/joint_rv_types.py:576:27 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "stop" of type "SupportsIndex" in function "__new__"
+ .../projects/sympy/sympy/stats/joint_rv_types.py:576:27 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "stop" of type "SupportsIndex" in function "__new__"
- Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "SupportsIndex"
+ Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "SupportsIndex"
- .../projects/sympy/sympy/stats/rv_interface.py:451:42 - error: Operator "-" not supported for types "Unknown | Basic | Any" and "Rational | NaN | ComplexInfinity"
+ .../projects/sympy/sympy/stats/rv_interface.py:451:42 - error: Operator "-" not supported for types "Unknown | Basic | Any" and "Rational | Unknown"
- Operator "-" not supported for types "Basic" and "Rational"
- Operator "-" not supported for types "Basic" and "NaN"
- Operator "-" not supported for types "Basic" and "ComplexInfinity" (reportOperatorIssue)
+ Operator "-" not supported for types "Basic" and "Rational" (reportOperatorIssue)
+ .../projects/sympy/sympy/stats/symbolic_probability.py:75:9 - error: Method "doit" overrides class "Basic" in an incompatible manner
+ Return type mismatch: base method returns type "Basic", override returns type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]"
+ Type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" is not assignable to type "Basic"
+ "Literal[0]" is not assignable to "Basic" (reportIncompatibleMethodOverride)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1543:12 - error: No overloads for "simplify" match the provided arguments (reportCallIssue)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1543:21 - error: Argument of type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" cannot be assigned to parameter "expr" of type "Basic" in function "simplify"
+ Type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" is not assignable to type "Basic"
+ "Literal[0]" is not assignable to "Basic" (reportArgumentType)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1545:12 - error: No overloads for "simplify" match the provided arguments (reportCallIssue)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1545:21 - error: Argument of type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" cannot be assigned to parameter "expr" of type "Basic" in function "simplify"
+ Type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" is not assignable to type "Basic"
+ "Literal[0]" is not assignable to "Basic" (reportArgumentType)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1550:12 - error: No overloads for "simplify" match the provided arguments (reportCallIssue)
+ .../projects/sympy/sympy/stats/tests/test_continuous_rv.py:1550:21 - error: Argument of type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" cannot be assigned to parameter "expr" of type "Basic" in function "simplify"
+ Type "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" is not assignable to type "Basic"
+ "Literal[0]" is not assignable to "Basic" (reportArgumentType)
- .../projects/sympy/sympy/stats/tests/test_finite_rv.py:34:23 - error: Operator "/" not supported for types "Unknown | Any | BernoulliDistribution | Probability | Zero | One | Expr | Float | ComplexInfinity | NaN | Rational | Infinity | NegativeInfinity | NotImplementedType | tuple[Unknown, ...] | Sum | ZeroMatrix | Piecewise | Basic | Integer | Lambda | Mul | NegativeOne | Number | Integral | Literal[0]" and "Unknown | Any | BernoulliDistribution | Probability | Zero | One | Expr | Float | ComplexInfinity | NaN | Rational | Infinity | NegativeInfinity | NotImplementedType | tuple[Unknown, ...] | Sum | ZeroMatrix | Piecewise | Basic | Integer | Lambda | Mul | NegativeOne | Number | Integral | Literal[0]"
+ .../projects/sympy/sympy/stats/tests/test_finite_rv.py:34:23 - error: Operator "/" not supported for types "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" and "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]"
- .../projects/sympy/sympy/stats/tests/test_finite_rv.py:35:23 - error: Operator "*" not supported for types "Unknown | Any | BernoulliDistribution | Probability | Zero | One | Expr | Float | ComplexInfinity | NaN | Rational | Infinity | NegativeInfinity | NotImplementedType | tuple[Unknown, ...] | Sum | ZeroMatrix | Piecewise | Basic | Integer | Lambda | Mul | NegativeOne | Number | Integral | Literal[0]" and "Unknown | Any | BernoulliDistribution | Probability | Zero | One | Expr | Float | ComplexInfinity | NaN | Rational | Infinity | NegativeInfinity | NotImplementedType | tuple[Unknown, ...] | Sum | ZeroMatrix | Piecewise | Basic | Integer | Lambda | Mul | NegativeOne | Number | Integral | Literal[0]"
+ .../projects/sympy/sympy/stats/tests/test_finite_rv.py:35:23 - error: Operator "*" not supported for types "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]" and "Unknown | Any | BernoulliDistribution | Probability | Zero | One | tuple[Unknown, ...] | Sum | Expr | ZeroMatrix | NaN | Piecewise | Basic | ComplexInfinity | Float | Infinity | Integer | Lambda | Mul | NegativeInfinity | NegativeOne | Number | Rational | Integral | Literal[0]"
+ Operator "*" not supported for types "BernoulliDistribution" and "tuple[Unknown, ...]"
+ Operator "*" not supported for types "BernoulliDistribution" and "Sum"
- Operator "*" not supported for types "BernoulliDistribution" and "Float"
+ Operator "*" not supported for types "BernoulliDistribution" and "ZeroMatrix"
- Operator "*" not supported for types "BernoulliDistribution" and "ComplexInfinity"
- Operator "*" not supported for types "BernoulliDistribution" and "Rational"
- Operator "*" not supported for types "BernoulliDistribution" and "Infinity"
+ Operator "*" not supported for types "BernoulliDistribution" and "Piecewise"
... (truncated 159 lines) ...
pytest (https://github.com/pytest-dev/pytest)
+ .../projects/pytest/src/_pytest/_io/terminalwriter.py:223:59 - error: Argument of type "str | None" cannot be assigned to parameter "style" of type "type[Style] | str" in function "__init__"
+ Type "str | None" is not assignable to type "type[Style] | str"
+ Type "None" is not assignable to type "type[Style] | str"
+ Type "None" is not assignable to type "type[Style]"
+ "None" is not assignable to "str" (reportArgumentType)
- 341 errors, 17 warnings, 0 informations
+ 342 errors, 17 warnings, 0 informations
scikit-learn (https://github.com/scikit-learn/scikit-learn)
+ .../projects/scikit-learn/sklearn/model_selection/_search.py:176:13 - error: Expected 1 more positional argument (reportCallIssue)
- 16807 errors, 455 warnings, 0 informations
+ 16808 errors, 455 warnings, 0 informations
openlibrary (https://github.com/internetarchive/openlibrary)
- .../projects/openlibrary/openlibrary/plugins/openlibrary/lists.py:145:21 - error: Operator "|" not supported for types "dict[Unknown, Unknown]" and "Unknown | list[Any]"
+ .../projects/openlibrary/openlibrary/plugins/openlibrary/lists.py:145:21 - error: Operator "|" not supported for types "dict[Unknown | str, Unknown]" and "Unknown | list[Any]"
- Operator "|" not supported for types "dict[Unknown, Unknown]" and "list[Any]" (reportOperatorIssue)
+ Operator "|" not supported for types "dict[Unknown | str, Unknown]" and "list[Any]" (reportOperatorIssue)
Tanjun (https://github.com/FasterSpeeding/Tanjun)
+ .../projects/Tanjun/tanjun/conversion.py:133:37 - warning: Type of "ior" is partially unknown
+ Type of "ior" is "(a: Unknown, b: Unknown, /) -> Unknown" (reportUnknownMemberType)
+ .../projects/Tanjun/tanjun/conversion.py:133:37 - warning: Argument type is partially unknown
+ Argument corresponds to parameter "function" in function "reduce"
+ Argument type is "(a: Unknown, b: Unknown, /) -> Unknown" (reportUnknownArgumentType)
+ .../projects/Tanjun/tanjun/conversion.py:156:37 - warning: Type of "ior" is partially unknown
+ Type of "ior" is "(a: Unknown, b: Unknown, /) -> Unknown" (reportUnknownMemberType)
+ .../projects/Tanjun/tanjun/conversion.py:156:37 - warning: Argument type is partially unknown
+ Argument corresponds to parameter "function" in function "reduce"
+ Argument type is "(a: Unknown, b: Unknown, /) -> Unknown" (reportUnknownArgumentType)
- 36 errors, 108 warnings, 0 informations
+ 36 errors, 112 warnings, 0 informations
spark (https://github.com/apache/spark)
- .../projects/spark/python/pyspark/cloudpickle/cloudpickle.py:1355:13 - error: Method "reducer_override" overrides class "Pickler" in an incompatible manner
- Positional parameter count mismatch; base method has 1, but override has 2 (reportIncompatibleMethodOverride)
+ .../projects/spark/python/pyspark/core/rdd.py:2155:16 - error: Argument of type "Overload[(a: SupportsAdd[_T_contra@add, _T_co@add], b: _T_contra@add, /) -> _T_co@add, (a: _T_contra@add, b: SupportsRAdd[_T_contra@add, _T_co@add], /) -> _T_co@add]" cannot be assigned to parameter "op" of type "(NumberOrArray@sum | int, NumberOrArray@sum | int) -> (NumberOrArray@sum | int)" in function "fold"
+ No overloaded function matches type "(NumberOrArray@sum | int, NumberOrArray@sum | int) -> (NumberOrArray@sum | int)" (reportArgumentType)
+ .../projects/spark/python/pyspark/sql/connect/client/core.py:1147:37 - error: Cannot access attribute "label" for class "FieldDescriptor"
+ Attribute "label" is unknown (reportAttributeAccessIssue)
+ .../projects/spark/python/pyspark/sql/connect/client/core.py:1158:35 - error: Cannot access attribute "label" for class "FieldDescriptor"
+ Attribute "label" is unknown (reportAttributeAccessIssue)
+ .../projects/spark/python/pyspark/sql/connect/client/core.py:1165:35 - error: Cannot access attribute "label" for class "FieldDescriptor"
+ Attribute "label" is unknown (reportAttributeAccessIssue)
+ .../projects/spark/python/pyspark/sql/streaming/proto/StateMessage_pb2.py:53:16 - error: Cannot assign to attribute "_loaded_options" for class "FileDescriptor"
+ Attribute "_loaded_options" is unknown (reportAttributeAccessIssue)
+ .../projects/spark/python/pyspark/streaming/dstream.py:705:13 - error: Argument of type "Overload[(a: SupportsAdd[_T_contra@add, _T_co@add], b: _T_contra@add, /) -> _T_co@add, (a: _T_contra@add, b: SupportsRAdd[_T_contra@add, _T_co@add], /) -> _T_co@add]" cannot be assigned to parameter "func" of type "(Literal[1], Literal[1]) -> Literal[1]" in function "reduceByKeyAndWindow"
+ No overloaded function matches type "(Literal[1], Literal[1]) -> Literal[1]" (reportArgumentType)
+ .../projects/spark/python/pyspark/streaming/dstream.py:705:27 - error: Argument of type "Overload[(a: SupportsSub[_T_contra@sub, _T_co@sub], b: _T_contra@sub, /) -> _T_co@sub, (a: _T_contra@sub, b: SupportsRSub[_T_contra@sub, _T_co@sub], /) -> _T_co@sub]" cannot be assigned to parameter "invFunc" of type "((Literal[1], Literal[1]) -> Literal[1]) | None" in function "reduceByKeyAndWindow"
+ Type "Overload[(a: SupportsSub[_T_contra@sub, _T_co@sub], b: _T_contra@sub, /) -> _T_co@sub, (a: _T_contra@sub, b: SupportsRSub[_T_contra@sub, _T_co@sub], /) -> _T_co@sub]" is not assignable to type "((Literal[1], Literal[1]) -> Literal[1]) | None"
+ No overloaded function matches type "(Literal[1], Literal[1]) -> Literal[1]"
+ "FunctionType" is not assignable to "None" (reportArgumentType)
- 31762 errors, 932 warnings, 0 informations
+ 31768 errors, 932 warnings, 0 informations
optuna (https://github.com/optuna/optuna)
+ .../projects/optuna/optuna/storages/_grpc/auto_generated/api_pb2.py:33:14 - error: Cannot assign to attribute "_loaded_options" for class "FileDescriptor"
+ Attribute "_loaded_options" is unknown (reportAttributeAccessIssue)
- 841 errors, 29 warnings, 0 informations
+ 842 errors, 29 warnings, 0 informations
vision (https://github.com/pytorch/vision)
+ .../projects/vision/torchvision/prototype/datasets/_builtin/mnist.py:51:25 - error: Expected 1 more positional argument (reportCallIssue)
- 1712 errors, 51 warnings, 0 informations
+ 1713 errors, 51 warnings, 0 informations
manticore (https://github.com/trailofbits/manticore)
+ .../projects/manticore/tests/native/test_x86.py:48:12 - error: Invalid conditional operand of type "Unknown | BoolEqual | bool"
+ Method __bool__ for type "BoolEqual" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:50:12 - error: Invalid conditional operand of type "Unknown | BoolEqual | bool"
+ Method __bool__ for type "BoolEqual" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:52:12 - error: Invalid conditional operand of type "Unknown | BoolEqual | bool"
+ Method __bool__ for type "BoolEqual" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:59:12 - error: Invalid conditional operand of type "Unknown | BoolNot | bool"
+ Method __bool__ for type "BoolNot" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:60:12 - error: Invalid conditional operand of type "Unknown | BoolEqual | bool"
+ Method __bool__ for type "BoolEqual" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:63:12 - error: Invalid conditional operand of type "Unknown | BoolNot | bool"
+ Method __bool__ for type "BoolNot" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
+ .../projects/manticore/tests/native/test_x86.py:65:12 - error: Invalid conditional operand of type "Unknown | BoolEqual | bool"
+ Method __bool__ for type "BoolEqual" returns type "int | bool" rather than "bool" (reportGeneralTypeIssues)
- 26017 errors, 153 warnings, 0 informations
+ 26024 errors, 153 warnings, 0 informations
jax (https://github.com/google/jax)
+ .../projects/jax/jax/_src/export/shape_poly.py:770:31 - error: Argument of type "Overload[(a: SupportsMul[_T_contra@mul, _T_co@mul], b: _T_contra@mul, /) -> _T_co@mul, (a: _T_contra@mul, b: SupportsRMul[_T_contra@mul, _T_co@mul], /) -> _T_co@mul]" cannot be assigned to parameter "function" of type "(_T@reduce, _S@reduce) -> _T@reduce" in function "reduce"
+ No overloaded function matches type "(_T@reduce, _S@reduce) -> _T@reduce" (reportArgumentType)
+ .../projects/jax/jax/_src/pallas/mosaic_gpu/lowering.py:1090:12 - error: Argument of type "tuple[int, ...]" cannot be assigned to parameter "grid" of type "tuple[int, int, int]" in function "_lower_as_gpu_kernel"
+ "tuple[int, ...]" is not assignable to "tuple[int, int, int]"
+ Tuple size mismatch; expected 3 but received indeterminate (reportArgumentType)
- 3371 errors, 90 warnings, 0 informations
+ 3373 errors, 90 warnings, 0 informations
|
rchiodo
approved these changes
Apr 15, 2026
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Upstream typeshed update
b0401bc7dfbaa8eb0c989c0916d7783dfba7a194bd18cc640cba4dadc51ac9a5157b79ff6adf5de3Failure classification
N/A — all tests passed with no changes required.
Pyright fixes
None needed.
Test updates
None.
Precision report
No
reveal_typedeltas. Zero regressions.Validation
Full test suite: 2340 passed, 54 suites, 0 failures.