Tkinter rename, step 2: fix imports and add stub modules.
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index 8d35198c..2f728b3 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -3,9 +3,9 @@
 import re
 import imp
 from itertools import count
-from Tkinter import *
-import tkSimpleDialog
-import tkMessageBox
+from tkinter import *
+import tkinter.simpledialog as tkSimpleDialog
+import tkinter.messagebox as tkMessageBox
 from MultiCall import MultiCallCreator
 
 import webbrowser
@@ -45,7 +45,7 @@
     from UndoDelegator import UndoDelegator
     from IOBinding import IOBinding, filesystemencoding, encoding
     import Bindings
-    from Tkinter import Toplevel
+    from tkinter import Toplevel
     from MultiStatusBar import MultiStatusBar
 
     help_url = None