♻️ cleaner string-like type alias in np._core.umath

Author: jorenham

src/numpy-stubs/_core/umath.pyi

@@ -188,14 +188,7 @@ _UFuncMethod: TypeAlias = L["__call__", "reduce", "reduceat", "accumulate", "out
 _TimeLike: TypeAlias = np.datetime64 | np.timedelta64
 
 _SupportsStringLikeArray: TypeAlias = _SupportsArray[np.dtypes.StringDType | np.dtype[np.character]]
-_ToCharStringND: TypeAlias = (
-    _SupportsStringLikeArray
-    | _NestedSequence[_SupportsStringLikeArray]
-    | list[str]
-    | list[bytes]
-    | _NestedSequence[list[str]]
-    | _NestedSequence[list[bytes]]
-)
+_ToCharStringND: TypeAlias = _nt.SequenceND[_SupportsStringLikeArray | list[str] | list[bytes] | list[str | bytes]]
 
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 # helper protocols