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Fixed bug that results in a spurious error when running pyright on Py…#11006

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erictraut merged 1 commit intomainfrom
issue-11003
Oct 8, 2025
Merged

Fixed bug that results in a spurious error when running pyright on Py…#11006
erictraut merged 1 commit intomainfrom
issue-11003

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…thon 3.14 but configured for Python 3.13 or earlier. This addresses #11003.

…thon 3.14 but configured for Python 3.13 or earlier. This addresses #11003.
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github-actions bot commented Oct 8, 2025

Diff from mypy_primer, showing the effect of this PR on open source code:

sympy (https://github.com/sympy/sympy)
-   .../projects/sympy/sympy/solvers/bivariate.py:134:15 - error: Operator "-" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/bivariate.py:138:17 - error: Operator "-" not supported for type "Basic | Any | Unknown" (reportOperatorIssue)
-   .../projects/sympy/sympy/solvers/bivariate.py:143:23 - error: Operator "-" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/deutils.py:233:14 - error: Operator "not in" not supported for types "str" and "Unknown | int"
-     Operator "not in" not supported for types "str" and "int" (reportOperatorIssue)
-   .../projects/sympy/sympy/solvers/diophantine/diophantine.py:2623:24 - error: Cannot access attribute "as_coefficients_dict" for class "Eq"
-     Attribute "as_coefficients_dict" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/diophantine/diophantine.py:2906:17 - error: Cannot access attribute "as_independent" for class "Eq"
-     Attribute "as_independent" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:313:18 - error: Argument of type "list[Iterator[Unknown | Any]]" cannot be assigned to parameter "iterable" of type "Iterable[list[bytes]]" in function "__init__" (reportArgumentType)
+   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:313:18 - error: Argument of type "list[Iterator[Unknown]]" cannot be assigned to parameter "iterable" of type "Iterable[list[bytes]]" in function "__init__" (reportArgumentType)
-   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:313:30 - error: Cannot access attribute "as_independent" for class "Basic"
-     Attribute "as_independent" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:382:18 - error: Argument of type "list[Iterator[Unknown | Any]]" cannot be assigned to parameter "iterable" of type "Iterable[list[bytes]]" in function "__init__" (reportArgumentType)
+   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:382:18 - error: Argument of type "list[Iterator[Unknown]]" cannot be assigned to parameter "iterable" of type "Iterable[list[bytes]]" in function "__init__" (reportArgumentType)
-   .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:382:30 - error: Cannot access attribute "as_independent" for class "Basic"
-     Attribute "as_independent" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/ode/nonhomogeneous.py:467:28 - error: Argument of type "Unknown | Expr | Any | Eq | None" cannot be assigned to parameter "expr" of type "Expr" in function "make_args"
+   .../projects/sympy/sympy/solvers/ode/nonhomogeneous.py:467:28 - error: Argument of type "Unknown | None" cannot be assigned to parameter "expr" of type "Expr" in function "make_args"
-     Type "Unknown | Expr | Any | Eq | None" is not assignable to type "Expr"
+     Type "Unknown | None" is not assignable to type "Expr"
-       "Equality" is not assignable to "Expr" (reportArgumentType)
+       "None" is not assignable to "Expr" (reportArgumentType)
-   .../projects/sympy/sympy/solvers/ode/ode.py:1369:17 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "value" of type "Zero" in function "__setitem__"
+   .../projects/sympy/sympy/solvers/ode/ode.py:1369:17 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "value" of type "Zero" in function "__setitem__"
-     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "Zero"
+     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "Zero"
-   .../projects/sympy/sympy/solvers/ode/ode.py:2898:17 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "value" of type "Zero" in function "__setitem__"
+   .../projects/sympy/sympy/solvers/ode/ode.py:2898:17 - error: Argument of type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" cannot be assigned to parameter "value" of type "Zero" in function "__setitem__"
-     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "Zero"
+     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "Zero"
-   .../projects/sympy/sympy/solvers/ode/riccati.py:869:30 - error: Argument of type "dict[Unknown, Unknown] | dict[str, str] | Unknown | Poly" cannot be assigned to parameter "obj" of type "Sized" in function "len"
+   .../projects/sympy/sympy/solvers/ode/riccati.py:869:30 - error: Argument of type "dict[Unknown, Unknown] | Unknown | Poly" cannot be assigned to parameter "obj" of type "Sized" in function "len"
-     Type "dict[Unknown, Unknown] | dict[str, str] | Unknown | Poly" is not assignable to type "Sized"
+     Type "dict[Unknown, Unknown] | Unknown | Poly" is not assignable to type "Sized"
+   .../projects/sympy/sympy/solvers/ode/single.py:865:9 - error: Expression with type "tuple[ComplexInfinity | NaN | Rational | Zero | Infinity | NegativeInfinity | Float | _NotImplementedType | Expr | Unknown | Any, list[tuple[Unknown, Unknown]] | list[Unknown]] | tuple[ComplexInfinity | NaN | Rational | Zero | Infinity | NegativeInfinity | Float | _NotImplementedType | Expr | Unknown | Any, list[tuple[Unknown, Unknown]] | list[Unknown], list[tuple[Unknown, Unknown]] | list[Unknown]]" cannot be assigned to target tuple
+     Type "tuple[ComplexInfinity | NaN | Rational | Zero | Infinity | NegativeInfinity | Float | _NotImplementedType | Expr | Unknown | Any, list[tuple[Unknown, Unknown]] | list[Unknown], list[tuple[Unknown, Unknown]] | list[Unknown]]" is incompatible with target tuple
+       Tuple size mismatch; expected 2 but received 3 (reportAssignmentType)
-   .../projects/sympy/sympy/solvers/ode/single.py:1869:20 - error: Cannot access attribute "as_independent" for class "Eq"
-     Attribute "as_independent" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/ode/single.py:1872:20 - error: Cannot access attribute "coeff" for class "Eq"
-     Attribute "coeff" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/ode/single.py:1873:22 - error: "is_Rational" is not a known attribute of "None" (reportOptionalMemberAccess)
-   .../projects/sympy/sympy/solvers/ode/single.py:1875:20 - error: Cannot access attribute "coeff" for class "Eq"
-     Attribute "coeff" is unknown (reportAttributeAccessIssue)
-   .../projects/sympy/sympy/solvers/ode/single.py:1876:22 - error: "is_Rational" is not a known attribute of "None" (reportOptionalMemberAccess)
-   .../projects/sympy/sympy/solvers/ode/single.py:1895:25 - error: Operator "*" not supported for types "Zero | One | Expr | Unknown | Any | None" and "Zero | One | Expr | Unknown | Any | None"
-     Operator "*" not supported for types "Expr" and "None"
-     Operator "*" not supported for types "None" and "Expr"
-     Operator "*" not supported for types "None" and "None" (reportOperatorIssue)
-   .../projects/sympy/sympy/solvers/ode/single.py:1895:33 - error: Operator "*" not supported for types "Zero | One | Expr | Unknown | Any | None" and "Zero | One | Expr | Unknown | Any | None"
-     Operator "*" not supported for types "Expr" and "None"
-     Operator "*" not supported for types "None" and "Expr"
-     Operator "*" not supported for types "None" and "None" (reportOperatorIssue)
-   .../projects/sympy/sympy/solvers/ode/single.py:1904:21 - error: Operator "*" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/ode/single.py:1904:29 - error: Operator "*" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/ode/single.py:1904:44 - error: Operator "*" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/ode/single.py:1904:52 - error: Operator "*" not supported for "None" (reportOptionalOperand)
-   .../projects/sympy/sympy/solvers/ode/single.py:2636:27 - 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__"
+   .../projects/sympy/sympy/solvers/ode/single.py:2636:27 - 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__"
-     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Unknown | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "SupportsIndex"
+     Type "One | NegativeOne | Zero | Integer | NaN | ComplexInfinity | Rational | Infinity | NegativeInfinity | Float | Number | Expr" is not assignable to type "SupportsIndex"
+   .../projects/sympy/sympy/solvers/pde.py:172:18 - error: Cannot access attribute "pop" for class "tuple[()]"
+     Attribute "pop" is unknown (reportAttributeAccessIssue)

... (truncated 320 lines) ...

@erictraut erictraut merged commit 9ed33cf into main Oct 8, 2025
20 checks passed
@erictraut erictraut deleted the issue-11003 branch October 8, 2025 05:38
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