fix stubs

Author: BobTheBuidler

test-data/unit/lib-stub/_weakref.pyi

@@ -1,11 +1,11 @@
 from typing import Any, Callable, TypeVar, overload
-from weakref import CallableProxyType
+from weakref import CallableProxyType, ProxyType
 
 _C = TypeVar("_C", bound=Callable[..., Any])
 _T = TypeVar("_T")
 
 # Return CallableProxyType if object is callable, ProxyType otherwise
 @overload
-def proxy(object: _C, callback: Callable[[_C], Any] | None = None, /) -> CallableProxyType[_C]: ...
+def proxy(object: _C, callback: Callable[[CallableProxyType[_C]], Any] | None = None, /) -> CallableProxyType[_C]: ...
 @overload
-def proxy(object: _T, callback: Callable[[_T], Any] | None = None, /) -> Any: ...
+def proxy(object: _T, callback: Callable[[ProxyType[_T]], Any] | None = None, /) -> ProxyType[_T]: ...