Tkinter, step 2: adapt imports.
diff --git a/Lib/tkinter/filedialog.py b/Lib/tkinter/filedialog.py
index 9ded88b..61ffe74 100644
--- a/Lib/tkinter/filedialog.py
+++ b/Lib/tkinter/filedialog.py
@@ -8,8 +8,8 @@
 
 """
 
-from Tkinter import *
-from Dialog import Dialog
+from tkinter import *
+from tkinter.dialog import Dialog
 
 import os
 import fnmatch