MAINT: Remove npt._GenericAlias in favor of py39 types.GenericAlias

numpy/_typing/__init__.py

@@ -180,6 +180,7 @@ class _8Bit(_16Bit):  # type: ignore[misc]
     _DTypeLikeComplex_co as _DTypeLikeComplex_co,
 )
 from ._array_like import (
+    NDArray as NDArray,
     ArrayLike as ArrayLike,
     _ArrayLike as _ArrayLike,
     _FiniteNestedSequence as _FiniteNestedSequence,
@@ -201,11 +202,6 @@ class _8Bit(_16Bit):  # type: ignore[misc]
     _ArrayLikeUnknown as _ArrayLikeUnknown,
     _UnknownType as _UnknownType,
 )
-from ._generic_alias import (
-    NDArray as NDArray,
-    _DType as _DType,
-    _GenericAlias as _GenericAlias,
-)
 
 if TYPE_CHECKING:
     from ._ufunc import (

numpy/_typing/_add_docstring.py

@@ -3,7 +3,7 @@
 import re
 import textwrap
 
-from ._generic_alias import NDArray
+from ._array_like import NDArray
 
 _docstrings_list = []
 

numpy/_typing/_array_like.py

@@ -23,9 +23,12 @@
 
 _T = TypeVar("_T")
 _ScalarType = TypeVar("_ScalarType", bound=generic)
+_ScalarType_co = TypeVar("_ScalarType_co", bound=generic, covariant=True)
 _DType = TypeVar("_DType", bound=dtype[Any])
 _DType_co = TypeVar("_DType_co", covariant=True, bound=dtype[Any])
 
+NDArray = ndarray[Any, dtype[_ScalarType_co]]
+
 # The `_SupportsArray` protocol only cares about the default dtype
 # (i.e. `dtype=None` or no `dtype` parameter at all) of the to-be returned
 # array.

numpy/_typing/_callable.pyi

@@ -43,7 +43,7 @@ from ._scalars import (
     _NumberLike_co,
 )
 from . import NBitBase
-from ._generic_alias import NDArray
+from ._array_like import NDArray
 from ._nested_sequence import _NestedSequence
 
 _T1 = TypeVar("_T1")