Fixed regression that resulted in a false positive error when using `…#10791
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Fixed regression that resulted in a false positive error when using `…#10791
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…reportUninitializedInstanceVariable` with a `NamedTuple` class. This addresses #10490.
Contributor
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Diff from mypy_primer, showing the effect of this PR on open source code: sympy (https://github.com/sympy/sympy)
- .../projects/sympy/sympy/polys/numberfields/tests/test_minpoly.py:183:17 - error: Operator "*" not supported for types "Unknown | int" and "Unknown | int | None"
+ .../projects/sympy/sympy/polys/numberfields/tests/test_minpoly.py:183:17 - error: Operator "*" not supported for types "int | Unknown" and "int | None"
- .../projects/sympy/sympy/polys/numberfields/tests/test_minpoly.py:184:17 - error: Operator "*" not supported for types "Unknown | int" and "Unknown | int | None"
+ .../projects/sympy/sympy/polys/numberfields/tests/test_minpoly.py:184:17 - error: Operator "*" not supported for types "int | Unknown" and "int | None"
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "One"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "NegativeOne"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "Zero"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "NaN"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "ComplexInfinity"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "Rational"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "Infinity"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "NegativeInfinity"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "Float"
+ Attribute "_reset" is unknown (reportAttributeAccessIssue)
+ .../projects/sympy/sympy/polys/numberfields/tests/test_subfield.py:303:7 - error: Cannot access attribute "_reset" for class "Expr"
+ .../projects/sympy/sympy/polys/series/tests/test_hypothesis.py:102:57 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- .../projects/sympy/sympy/polys/series/tests/test_hypothesis.py:111:57 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_hypothesis.py:112:59 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_hypothesis.py:113:57 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_hypothesis.py:114:59 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_ring.py:1117:55 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_ring.py:1118:63 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- Attribute "to_dense" is unknown (reportAttributeAccessIssue)
- .../projects/sympy/sympy/polys/series/tests/test_ring.py:1119:55 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
- .../projects/sympy/sympy/polys/series/tests/test_ring.py:1120:63 - error: Cannot access attribute "to_dense" for class "tuple[Unknown, ...]"
+ .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:313:75 - error: "args" is not a known attribute of "None" (reportOptionalMemberAccess)
+ .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:379:15 - error: Operator "*" not supported for "None" (reportOptionalOperand)
+ .../projects/sympy/sympy/solvers/diophantine/tests/test_diophantine.py:382:13 - error: No overloads for "__init__" match the provided arguments (reportCallIssue)
+ .../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:382:78 - error: "args" is not a known attribute of "None" (reportOptionalMemberAccess)
- .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:793:52 - error: Argument of type "tuple[Unknown, ...] | Tuple | Unknown | Basic" cannot be assigned to parameter "key" of type "Basic" in function "__getitem__"
- Type "tuple[Unknown, ...] | Tuple | Unknown | Basic" is not assignable to type "Basic"
- "tuple[Unknown, ...]" is not assignable to "Basic" (reportArgumentType)
- .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1030:70 - error: Argument of type "Unknown | Basic" cannot be assigned to parameter "obj" of type "Sized" in function "len"
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1030:70 - error: Argument of type "Unknown | Tuple | Basic" cannot be assigned to parameter "obj" of type "Sized" in function "len"
- Type "Unknown | Basic" is not assignable to type "Sized"
+ Type "Unknown | Tuple | Basic" is not assignable to type "Sized"
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1030:80 - error: No overloads for "__getitem__" match the provided arguments (reportCallIssue)
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1030:80 - error: Argument of type "Unknown | Tuple" cannot be assigned to parameter "key" of type "slice[Any, Any, Any]" in function "__getitem__"
+ Type "Unknown | Tuple" is not assignable to type "slice[Any, Any, Any]"
+ "Tuple" is not assignable to "slice[Any, Any, Any]" (reportArgumentType)
- .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1322:49 - error: "Basic" is not iterable
- "__iter__" method not defined (reportGeneralTypeIssues)
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1329:24 - error: Operator "in" not supported for types "Unknown | Basic" and "Basic"
+ Operator "in" not supported for types "Basic" and "Basic" (reportOperatorIssue)
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1330:32 - error: Argument of type "Basic" cannot be assigned to parameter "iterable" of type "Iterable[Unknown | Basic]" in function "extend"
+ "Basic" is incompatible with protocol "Iterable[Unknown | Basic]"
+ "__iter__" is not present (reportArgumentType)
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1331:21 - error: No overloads for "__setitem__" match the provided arguments (reportCallIssue)
+ .../projects/sympy/sympy/tensor/array/expressions/array_expressions.py:1331:21 - error: Argument of type "None" cannot be assigned to parameter "value" of type "Basic" in function "__setitem__"
+ "None" is not assignable to "Basic" (reportArgumentType)
- .../projects/sympy/sympy/tensor/array/expressions/arrayexpr_derivatives.py:34:2 - error: Argument of type "(expr: ArrayTensorProduct, x: Expr) -> (Unknown | Zero)" cannot be assigned to parameter of type "(...) -> NoReturn"
+ .../projects/sympy/sympy/tensor/array/expressions/arrayexpr_derivatives.py:34:2 - error: Argument of type "(expr: ArrayTensorProduct, x: Expr) -> (Unknown | Zero | ZeroArray | ArrayAdd)" cannot be assigned to parameter of type "(...) -> NoReturn"
- Type "(expr: ArrayTensorProduct, x: Expr) -> (Unknown | Zero)" is not assignable to type "(...) -> NoReturn"
+ Type "(expr: ArrayTensorProduct, x: Expr) -> (Unknown | Zero | ZeroArray | ArrayAdd)" is not assignable to type "(...) -> NoReturn"
- Function return type "Unknown | Zero" is incompatible with type "NoReturn"
+ Function return type "Unknown | Zero | ZeroArray | ArrayAdd" is incompatible with type "NoReturn"
- Type "Unknown | Zero" is not assignable to type "NoReturn"
+ Type "Unknown | Zero | ZeroArray | ArrayAdd" is not assignable to type "NoReturn"
- Type "Zero" is not assignable to type "NoReturn" (reportArgumentType)
+ Type "ArrayAdd" is not assignable to type "NoReturn" (reportArgumentType)
- .../projects/sympy/sympy/tensor/array/expressions/from_array_to_indexed.py:50:25 - error: No overloads for "__setitem__" match the provided arguments (reportCallIssue)
- .../projects/sympy/sympy/tensor/array/expressions/from_array_to_indexed.py:50:25 - error: Argument of type "Unknown | Basic" cannot be assigned to parameter "key" of type "slice[Any, Any, Any]" in function "__setitem__"
- Type "Unknown | Basic" is not assignable to type "slice[Any, Any, Any]"
- "Basic" is not assignable to "slice[Any, Any, Any]" (reportArgumentType)
... (truncated 295 lines) ...
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…reportUninitializedInstanceVariable
with aNamedTuple` class. This addresses #10490.