implement suggested change from WMOkiishi

Author: jakkdl

stdlib/functools.pyi

@@ -31,6 +31,7 @@ if sys.version_info >= (3, 9):
 _T = TypeVar("_T")
 _S = TypeVar("_S")
 _P = ParamSpec("_P")
+_Q = ParamSpec("_Q")
 
 _PWrapped = ParamSpec("_PWrapped")
 _RWrapped = TypeVar("_RWrapped")
@@ -66,14 +67,22 @@ class _lru_cache_wrapper(Generic[_P, _T]):
     def __deepcopy__(self, __memo: Any) -> _lru_cache_wrapper[_P, _T]: ...
     if sys.version_info >= (3, 8):
         @overload
-        def __get__(self, __instance: None, __owner: type[_S] | None = ...) -> _lru_cache_wrapper[_P, _T]: ...
+        def __get__(
+            self: _lru_cache_wrapper[Concatenate[_S, _Q], _T], __instance: None, __owner: type[_S] | None = ...
+        ) -> Callable[_Q, _T]: ...
         @overload
-        def __get__(self, __instance: _S, __owner: type[_S] | None = ...) -> Callable[Concatenate[_S, _P], _T]: ...
+        def __get__(
+            self: _lru_cache_wrapper[Concatenate[_S, _Q], _T], __instance: _S, __owner: type[_S] | None = ...
+        ) -> Callable[_Q, _T]: ...
     else:
         @overload
-        def __get__(self, __instance: None, __owner: type[_S] | None) -> _lru_cache_wrapper[_P, _T]: ...
+        def __get__(
+            self: _lru_cache_wrapper[Concatenate[_S, _Q], _T], __instance: None, __owner: type[_S] | None
+        ) -> Callable[_Q, _T]: ...
         @overload
-        def __get__(self, __instance: _S, __owner: type[_S] | None) -> Callable[Concatenate[_S, _P], _T]: ...
+        def __get__(
+            self: _lru_cache_wrapper[Concatenate[_S, _Q], _T], __instance: _S, __owner: type[_S] | None
+        ) -> Callable[_Q, _T]: ...
 
 if sys.version_info >= (3, 8):
     @overload