Tkinter, step 2: adapt imports.
diff --git a/Lib/idlelib/SearchEngine.py b/Lib/idlelib/SearchEngine.py
index 6745faf..13a6a6b 100644
--- a/Lib/idlelib/SearchEngine.py
+++ b/Lib/idlelib/SearchEngine.py
@@ -1,6 +1,6 @@
 import re
-from Tkinter import *
-import tkMessageBox
+from tkinter import *
+import tkinter.messagebox as tkMessageBox
 
 def get(root):
     if not hasattr(root, "_searchengine"):