fix a lot of Tkinter imports
diff --git a/Demo/tkinter/guido/MimeViewer.py b/Demo/tkinter/guido/MimeViewer.py
index 7494425..11701cd 100755
--- a/Demo/tkinter/guido/MimeViewer.py
+++ b/Demo/tkinter/guido/MimeViewer.py
@@ -5,8 +5,8 @@
 
 import string
 from types import *
-from Tkinter import *
-from ScrolledText import ScrolledText
+from tkinter import *
+from tkinter.scrolledtext import ScrolledText
 
 class MimeViewer:
     def __init__(self, parent, title, msg):