fix stubtest

Author: donbarbos

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -85,6 +85,10 @@ multiprocessing.managers._BaseSetProxy.__len__
 multiprocessing.managers._BaseSetProxy.clear
 multiprocessing.managers._BaseSetProxy.copy
 multiprocessing.managers._BaseSetProxy.pop
+multiprocessing.managers.BaseListProxy.clear
+multiprocessing.managers.BaseListProxy.copy
+multiprocessing.managers._BaseDictProxy.__reversed__
+multiprocessing.managers._BaseDictProxy.fromkeys
 
 
 # =============================================================

stdlib/multiprocessing/managers.pyi

@@ -98,12 +98,10 @@ if sys.version_info >= (3, 13):
         def values(self) -> list[_VT]: ...  # type: ignore[override]
         if sys.version_info >= (3, 14):
             # Next methods are copied from builtins.dict
-            @classmethod
             @overload
-            def fromkeys(cls, iterable: Iterable[_T], value: None = None, /) -> dict[_T, Any | None]: ...
-            @classmethod
+            def fromkeys(self, iterable: Iterable[_T], value: None = None, /) -> dict[_T, Any | None]: ...
             @overload
-            def fromkeys(cls, iterable: Iterable[_T], value: _S, /) -> dict[_T, _S]: ...
+            def fromkeys(self, iterable: Iterable[_T], value: _S, /) -> dict[_T, _S]: ...
             def __reversed__(self) -> Iterator[_KT]: ...
             @overload
             def __or__(self, value: dict[_KT, _VT], /) -> dict[_KT, _VT]: ...