MAINT: Changed the `NBitBase` variancy in `number` from co- to invariant

1 files changed, 63 insertions, 63 deletions

diff --git a/numpy/typing/_callable.py b/numpy/typing/_callable.py
index 693b6dfed..77e3ee0c4 100644
--- a/numpy/typing/_callable.py
+++ b/numpy/typing/_callable.py
@@ -61,8 +61,8 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
     _T = TypeVar("_T")
     _2Tuple = Tuple[_T, _T]
 
-    _NBit_co = TypeVar("_NBit_co", covariant=True, bound=NBitBase)
-    _NBit = TypeVar("_NBit", bound=NBitBase)
+    _NBit1 = TypeVar("_NBit1", bound=NBitBase)
+    _NBit2 = TypeVar("_NBit2", bound=NBitBase)
 
     _IntType = TypeVar("_IntType", bound=integer)
     _FloatType = TypeVar("_FloatType", bound=floating)
@@ -141,9 +141,9 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
         @overload
         def __call__(self, __other: _FloatLike_co) -> timedelta64: ...
 
-    class _IntTrueDiv(Protocol[_NBit_co]):
+    class _IntTrueDiv(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> floating[_NBit_co]: ...
+        def __call__(self, __other: bool) -> floating[_NBit1]: ...
         @overload
         def __call__(self, __other: int) -> floating[_NBitInt]: ...
         @overload
@@ -151,12 +151,12 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
         @overload
         def __call__(self, __other: complex) -> complex128: ...
         @overload
-        def __call__(self, __other: integer[_NBit]) -> floating[Union[_NBit_co, _NBit]]: ...
+        def __call__(self, __other: integer[_NBit2]) -> floating[Union[_NBit1, _NBit2]]: ...
 
-    class _UnsignedIntOp(Protocol[_NBit_co]):
+    class _UnsignedIntOp(Protocol[_NBit1]):
         # NOTE: `uint64 + signedinteger -> float64`
         @overload
-        def __call__(self, __other: bool) -> unsignedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> unsignedinteger[_NBit1]: ...
         @overload
         def __call__(
             self, __other: Union[int, signedinteger[Any]]
@@ -167,24 +167,24 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
         def __call__(self, __other: complex) -> complex128: ...
         @overload
         def __call__(
-            self, __other: unsignedinteger[_NBit]
-        ) -> unsignedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: unsignedinteger[_NBit2]
+        ) -> unsignedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _UnsignedIntBitOp(Protocol[_NBit_co]):
+    class _UnsignedIntBitOp(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> unsignedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> unsignedinteger[_NBit1]: ...
         @overload
         def __call__(self, __other: int) -> signedinteger[Any]: ...
         @overload
         def __call__(self, __other: signedinteger[Any]) -> signedinteger[Any]: ...
         @overload
         def __call__(
-            self, __other: unsignedinteger[_NBit]
-        ) -> unsignedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: unsignedinteger[_NBit2]
+        ) -> unsignedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _UnsignedIntMod(Protocol[_NBit_co]):
+    class _UnsignedIntMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> unsignedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> unsignedinteger[_NBit1]: ...
         @overload
         def __call__(
             self, __other: Union[int, signedinteger[Any]]
@@ -193,12 +193,12 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
         def __call__(self, __other: float) -> float64: ...
         @overload
         def __call__(
-            self, __other: unsignedinteger[_NBit]
-        ) -> unsignedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: unsignedinteger[_NBit2]
+        ) -> unsignedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _UnsignedIntDivMod(Protocol[_NBit_co]):
+    class _UnsignedIntDivMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> _2Tuple[signedinteger[_NBit_co]]: ...
+        def __call__(self, __other: bool) -> _2Tuple[signedinteger[_NBit1]]: ...
         @overload
         def __call__(
             self, __other: Union[int, signedinteger[Any]]
@@ -207,111 +207,111 @@ if TYPE_CHECKING or HAVE_PROTOCOL:
         def __call__(self, __other: float) -> _2Tuple[float64]: ...
         @overload
         def __call__(
-            self, __other: unsignedinteger[_NBit]
-        ) -> _2Tuple[unsignedinteger[Union[_NBit_co, _NBit]]]: ...
+            self, __other: unsignedinteger[_NBit2]
+        ) -> _2Tuple[unsignedinteger[Union[_NBit1, _NBit2]]]: ...
 
-    class _SignedIntOp(Protocol[_NBit_co]):
+    class _SignedIntOp(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> signedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> signedinteger[_NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> signedinteger[Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> signedinteger[Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(self, __other: float) -> float64: ...
         @overload
         def __call__(self, __other: complex) -> complex128: ...
         @overload
         def __call__(
-            self, __other: signedinteger[_NBit]
-        ) -> signedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: signedinteger[_NBit2]
+        ) -> signedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _SignedIntBitOp(Protocol[_NBit_co]):
+    class _SignedIntBitOp(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> signedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> signedinteger[_NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> signedinteger[Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> signedinteger[Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(
-            self, __other: signedinteger[_NBit]
-        ) -> signedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: signedinteger[_NBit2]
+        ) -> signedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _SignedIntMod(Protocol[_NBit_co]):
+    class _SignedIntMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> signedinteger[_NBit_co]: ...
+        def __call__(self, __other: bool) -> signedinteger[_NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> signedinteger[Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> signedinteger[Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(self, __other: float) -> float64: ...
         @overload
         def __call__(
-            self, __other: signedinteger[_NBit]
-        ) -> signedinteger[Union[_NBit_co, _NBit]]: ...
+            self, __other: signedinteger[_NBit2]
+        ) -> signedinteger[Union[_NBit1, _NBit2]]: ...
 
-    class _SignedIntDivMod(Protocol[_NBit_co]):
+    class _SignedIntDivMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> _2Tuple[signedinteger[_NBit_co]]: ...
+        def __call__(self, __other: bool) -> _2Tuple[signedinteger[_NBit1]]: ...
         @overload
-        def __call__(self, __other: int) -> _2Tuple[signedinteger[Union[_NBit_co, _NBitInt]]]: ...
+        def __call__(self, __other: int) -> _2Tuple[signedinteger[Union[_NBit1, _NBitInt]]]: ...
         @overload
         def __call__(self, __other: float) -> _2Tuple[float64]: ...
         @overload
         def __call__(
-            self, __other: signedinteger[_NBit]
-        ) -> _2Tuple[signedinteger[Union[_NBit_co, _NBit]]]: ...
+            self, __other: signedinteger[_NBit2]
+        ) -> _2Tuple[signedinteger[Union[_NBit1, _NBit2]]]: ...
 
-    class _FloatOp(Protocol[_NBit_co]):
+    class _FloatOp(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> floating[_NBit_co]: ...
+        def __call__(self, __other: bool) -> floating[_NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> floating[Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> floating[Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(self, __other: float) -> float64: ...
         @overload
         def __call__(self, __other: complex) -> complex128: ...
         @overload
         def __call__(
-            self, __other: Union[integer[_NBit], floating[_NBit]]
-        ) -> floating[Union[_NBit_co, _NBit]]: ...
+            self, __other: Union[integer[_NBit2], floating[_NBit2]]
+        ) -> floating[Union[_NBit1, _NBit2]]: ...
 
-    class _FloatMod(Protocol[_NBit_co]):
+    class _FloatMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> floating[_NBit_co]: ...
+        def __call__(self, __other: bool) -> floating[_NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> floating[Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> floating[Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(self, __other: float) -> float64: ...
         @overload
         def __call__(
-            self, __other: Union[integer[_NBit], floating[_NBit]]
-        ) -> floating[Union[_NBit_co, _NBit]]: ...
+            self, __other: Union[integer[_NBit2], floating[_NBit2]]
+        ) -> floating[Union[_NBit1, _NBit2]]: ...
 
-    class _FloatDivMod(Protocol[_NBit_co]):
+    class _FloatDivMod(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> _2Tuple[floating[_NBit_co]]: ...
+        def __call__(self, __other: bool) -> _2Tuple[floating[_NBit1]]: ...
         @overload
-        def __call__(self, __other: int) -> _2Tuple[floating[Union[_NBit_co, _NBitInt]]]: ...
+        def __call__(self, __other: int) -> _2Tuple[floating[Union[_NBit1, _NBitInt]]]: ...
         @overload
         def __call__(self, __other: float) -> _2Tuple[float64]: ...
         @overload
         def __call__(
-            self, __other: Union[integer[_NBit], floating[_NBit]]
-        ) -> _2Tuple[floating[Union[_NBit_co, _NBit]]]: ...
+            self, __other: Union[integer[_NBit2], floating[_NBit2]]
+        ) -> _2Tuple[floating[Union[_NBit1, _NBit2]]]: ...
 
-    class _ComplexOp(Protocol[_NBit_co]):
+    class _ComplexOp(Protocol[_NBit1]):
         @overload
-        def __call__(self, __other: bool) -> complexfloating[_NBit_co, _NBit_co]: ...
+        def __call__(self, __other: bool) -> complexfloating[_NBit1, _NBit1]: ...
         @overload
-        def __call__(self, __other: int) -> complexfloating[Union[_NBit_co, _NBitInt], Union[_NBit_co, _NBitInt]]: ...
+        def __call__(self, __other: int) -> complexfloating[Union[_NBit1, _NBitInt], Union[_NBit1, _NBitInt]]: ...
         @overload
         def __call__(self, __other: Union[float, complex]) -> complex128: ...
         @overload
         def __call__(
             self,
             __other: Union[
-                integer[_NBit],
-                floating[_NBit],
-                complexfloating[_NBit, _NBit],
+                integer[_NBit2],
+                floating[_NBit2],
+                complexfloating[_NBit2, _NBit2],
             ]
-        ) -> complexfloating[Union[_NBit_co, _NBit], Union[_NBit_co, _NBit]]: ...
+        ) -> complexfloating[Union[_NBit1, _NBit2], Union[_NBit1, _NBit2]]: ...
 
     class _NumberOp(Protocol):
         def __call__(self, __other: _NumberLike_co) -> number: ...