diff --git a/stdlib/3/tkinter/__init__.pyi b/stdlib/3/tkinter/__init__.pyi
index f7f7f8cf061d..6098bf3320a7 100644
--- a/stdlib/3/tkinter/__init__.pyi
+++ b/stdlib/3/tkinter/__init__.pyi
@@ -1,4 +1,5 @@
-from typing import Any
+from types import TracebackType
+from typing import Any, Optional, Dict, Callable, Type
 from tkinter.constants import *  # noqa: F403
 
 TclError = ...  # type: Any
@@ -275,15 +276,16 @@ class Wm:
     withdraw = ...  # type: Any
 
 class Tk(Misc, Wm):
-    master = ...  # type: Any
-    children = ...  # type: Any
-    tk = ...  # type: Any
-    def __init__(self, screenName=None, baseName=None, className: str = ..., useTk=1, sync=0, use=None) -> None: ...
-    def loadtk(self): ...
-    def destroy(self): ...
-    def readprofile(self, baseName, className): ...
-    def report_callback_exception(self, exc, val, tb): ...
-    def __getattr__(self, attr): ...
+    master: Optional[Any]
+    children: Dict[str, Any]
+    tk: Any
+    def __init__(self, screenName: Optional[str] = ..., baseName: Optional[str] = ..., className: str = ..., useTk: bool = ...,
+                 sync: bool = ..., use: Optional[str] = ...) -> None: ...
+    def loadtk(self) -> None: ...
+    def destroy(self) -> None: ...
+    def readprofile(self, baseName: str, className: str) -> None: ...
+    report_callback_exception: Callable[[Type[BaseException], BaseException, TracebackType], Any]
+    def __getattr__(self, attr: str) -> Any: ...
 
 def Tcl(screenName=None, baseName=None, className: str = ..., useTk=0): ...