Tkinter, step 2: adapt imports.
diff --git a/Lib/idlelib/dynOptionMenuWidget.py b/Lib/idlelib/dynOptionMenuWidget.py
index 78406d7..922de96 100644
--- a/Lib/idlelib/dynOptionMenuWidget.py
+++ b/Lib/idlelib/dynOptionMenuWidget.py
@@ -2,8 +2,8 @@
 OptionMenu widget modified to allow dynamic menu reconfiguration
 and setting of highlightthickness
 """
-from Tkinter import OptionMenu
-from Tkinter import _setit
+from tkinter import OptionMenu
+from tkinter import _setit
 import copy
 
 class DynOptionMenu(OptionMenu):