Changing to Literal[False]. Per implementation, instate can't return True if callback doesn't return True

Author: DanielOnGitHub17

stdlib/tkinter/ttk.pyi

@@ -209,7 +209,7 @@ class Widget(tkinter.Widget):
     @overload
     def instate(self, statespec: Sequence[str], callback: None = None) -> bool: ...
     @overload
-    def instate(self, statespec: Sequence[str], callback: Callable[_P, _T], *args: _P.args, **kw: _P.kwargs) -> bool | _T: ...
+    def instate(self, statespec: Sequence[str], callback: Callable[_P, _T], *args: _P.args, **kw: _P.kwargs) -> Literal[False] | _T: ...
     def state(self, statespec: Sequence[str] | None = None) -> tuple[str, ...]: ...
 
 class Button(Widget):