Tkinter rename reversal: remove tkinter package, adapt imports and docs.
diff --git a/Lib/idlelib/OutputWindow.py b/Lib/idlelib/OutputWindow.py
index afc4e39..787e9b0 100644
--- a/Lib/idlelib/OutputWindow.py
+++ b/Lib/idlelib/OutputWindow.py
@@ -1,7 +1,7 @@
-from tkinter import *
+from Tkinter import *
 from EditorWindow import EditorWindow
 import re
-import tkinter.messagebox as tkMessageBox
+import tkMessageBox
 import IOBinding
 
 class OutputWindow(EditorWindow):