💥 use Rank2 as np.matrix shape default

Author: jorenham

src/numpy-stubs/matrixlib/defmatrix.pyi

@@ -16,7 +16,7 @@ __all__ = ["asmatrix", "bmat", "matrix"]
 _T = TypeVar("_T")
 _ArrayT = TypeVar("_ArrayT", bound=_nt.Array)
 _ScalarT = TypeVar("_ScalarT", bound=np.generic)
-_ShapeT_co = TypeVar("_ShapeT_co", bound=_nt.Shape2, default=_nt.Shape2, covariant=True)
+_ShapeT_co = TypeVar("_ShapeT_co", bound=_nt.Shape2, default=_nt.Rank2, covariant=True)
 _DTypeT_co = TypeVar("_DTypeT_co", bound=np.dtype, default=np.dtype, covariant=True)
 
 _ToIndex1: TypeAlias = slice | EllipsisType | _nt.ToInteger_1nd | None
@@ -38,9 +38,9 @@ class matrix(np.ndarray[_ShapeT_co, _DTypeT_co]):
     @overload
     def __getitem__(self, key: _ToIndex1 | _ToIndex2, /) -> matrix[_nt.Rank2, _DTypeT_co]: ...
     @overload
-    def __getitem__(self: _nt.Array[np.void], key: str, /) -> matrix[_ShapeT_co, np.dtype]: ...
+    def __getitem__(self: _nt.Array[np.void], key: str, /) -> _nt.Matrix: ...
     @overload
-    def __getitem__(self: _nt.Array[np.void], key: list[str], /) -> matrix[_ShapeT_co, np.dtype[np.void]]: ...  # pyright: ignore[reportIncompatibleMethodOverride]
+    def __getitem__(self: _nt.Array[np.void], key: list[str], /) -> _nt.Matrix[np.void]: ...  # pyright: ignore[reportIncompatibleMethodOverride]
 
     #
     @override