fix a lot of Tkinter imports

60 files changed, 66 insertions, 66 deletions

diff --git a/Demo/tkinter/guido/AttrDialog.py b/Demo/tkinter/guido/AttrDialog.py
index 921c105..5508e3b 100755
--- a/Demo/tkinter/guido/AttrDialog.py
+++ b/Demo/tkinter/guido/AttrDialog.py
@@ -12,7 +12,7 @@
 # -- totally static, though different between PackDialog and WidgetDialog
 #    (but even that could be unified)
 
-from Tkinter import *
+from tkinter import *
 
 class Option:
 
diff --git a/Demo/tkinter/guido/ManPage.py b/Demo/tkinter/guido/ManPage.py
index 1266f1c..a9309a3 100755
--- a/Demo/tkinter/guido/ManPage.py
+++ b/Demo/tkinter/guido/ManPage.py
@@ -1,9 +1,9 @@
 # Widget to display a man page
 
 import re
-from Tkinter import *
-from Tkinter import _tkinter
-from ScrolledText import ScrolledText
+from tkinter import *
+from tkinter import _tkinter
+from tkinter.scrolledtext import ScrolledText
 
 # XXX These fonts may have to be changed to match your system
 BOLDFONT = '*-Courier-Bold-R-Normal-*-120-*'
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):
diff --git a/Demo/tkinter/guido/ShellWindow.py b/Demo/tkinter/guido/ShellWindow.py
index c1d56ef..fffcbc5 100755
--- a/Demo/tkinter/guido/ShellWindow.py
+++ b/Demo/tkinter/guido/ShellWindow.py
@@ -1,9 +1,9 @@
 import os
 import sys
 import string
-from Tkinter import *
-from ScrolledText import ScrolledText
-from Dialog import Dialog
+from tkinter import *
+from tkinter.scrolledtext import ScrolledText
+from tkinter.dialog import Dialog
 import signal
 
 BUFSIZE = 512
diff --git a/Demo/tkinter/guido/brownian.py b/Demo/tkinter/guido/brownian.py
index 8007f14..7ab3e67 100644
--- a/Demo/tkinter/guido/brownian.py
+++ b/Demo/tkinter/guido/brownian.py
@@ -1,6 +1,6 @@
 # Brownian motion -- an example of a multi-threaded Tkinter program.
 
-from Tkinter import *
+from tkinter import *
 import random
 import threading
 import time
diff --git a/Demo/tkinter/guido/brownian2.py b/Demo/tkinter/guido/brownian2.py
index 281a645..dc1d43a 100644
--- a/Demo/tkinter/guido/brownian2.py
+++ b/Demo/tkinter/guido/brownian2.py
@@ -1,7 +1,7 @@
 # Brownian motion -- an example of a NON multi-threaded Tkinter program ;)
 # By Michele Simoniato, inspired by brownian.py
 
-from Tkinter import *
+from tkinter import *
 import random
 import sys
 
diff --git a/Demo/tkinter/guido/canvasevents.py b/Demo/tkinter/guido/canvasevents.py
index 74ed76f..aeb0eb1 100644
--- a/Demo/tkinter/guido/canvasevents.py
+++ b/Demo/tkinter/guido/canvasevents.py
@@ -1,6 +1,6 @@
 #! /usr/bin/env python
 
-from Tkinter import *
+from tkinter import *
 from Canvas import Oval, Group, CanvasText
 
 
diff --git a/Demo/tkinter/guido/dialog.py b/Demo/tkinter/guido/dialog.py
index 426eca4..1832ba4 100755
--- a/Demo/tkinter/guido/dialog.py
+++ b/Demo/tkinter/guido/dialog.py
@@ -4,7 +4,7 @@
 # optional bitmap, and any number of buttons.
 # Cf. Ousterhout, Tcl and the Tk Toolkit, Figs. 27.2-3, pp. 269-270.
 
-from Tkinter import *
+from tkinter import *
 import sys
 
 
diff --git a/Demo/tkinter/guido/electrons.py b/Demo/tkinter/guido/electrons.py
index fdc558f..e3bf468 100755
--- a/Demo/tkinter/guido/electrons.py
+++ b/Demo/tkinter/guido/electrons.py
@@ -11,7 +11,7 @@
 # /usr/include/X11/bitmaps for samples); it is displayed as the
 # background of the animation.  Default is no bitmap.
 
-from Tkinter import *
+from tkinter import *
 import random
 
 
diff --git a/Demo/tkinter/guido/hanoi.py b/Demo/tkinter/guido/hanoi.py
index 58ba1d1..a29b1d7 100755
--- a/Demo/tkinter/guido/hanoi.py
+++ b/Demo/tkinter/guido/hanoi.py
@@ -10,7 +10,7 @@
 # background of the animation.  Default is no bitmap.
 
 # This uses Steen Lumholt's Tk interface
-from Tkinter import *
+from tkinter import *
 
 
 # Basic Towers-of-Hanoi algorithm: move n pieces from a to b, using c
diff --git a/Demo/tkinter/guido/hello.py b/Demo/tkinter/guido/hello.py
index 358a7ec..f10fb7a 100755
--- a/Demo/tkinter/guido/hello.py
+++ b/Demo/tkinter/guido/hello.py
@@ -1,7 +1,7 @@
 # Display hello, world in a button; clicking it quits the program
 
 import sys
-from Tkinter import *
+from tkinter import *
 
 def main():
     root = Tk()
diff --git a/Demo/tkinter/guido/imagedraw.py b/Demo/tkinter/guido/imagedraw.py
index d3dba45..a168831 100755
--- a/Demo/tkinter/guido/imagedraw.py
+++ b/Demo/tkinter/guido/imagedraw.py
@@ -1,6 +1,6 @@
 """Draw on top of an image"""
 
-from Tkinter import *
+from tkinter import *
 import sys
 
 def main():
diff --git a/Demo/tkinter/guido/imageview.py b/Demo/tkinter/guido/imageview.py
index d6efed0..276858a 100755
--- a/Demo/tkinter/guido/imageview.py
+++ b/Demo/tkinter/guido/imageview.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 import sys
 
 def main():
diff --git a/Demo/tkinter/guido/kill.py b/Demo/tkinter/guido/kill.py
index 36b479d..36caba6 100755
--- a/Demo/tkinter/guido/kill.py
+++ b/Demo/tkinter/guido/kill.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # Tkinter interface to Linux `kill' command.
 
-from Tkinter import *
+from tkinter import *
 from string import splitfields
 from string import split
 import subprocess
diff --git a/Demo/tkinter/guido/listtree.py b/Demo/tkinter/guido/listtree.py
index d28ce49..625d20e 100755
--- a/Demo/tkinter/guido/listtree.py
+++ b/Demo/tkinter/guido/listtree.py
@@ -3,7 +3,7 @@
 import sys
 import string
 
-from Tkinter import *
+from tkinter import *
 
 def listtree(master, app):
     list = Listbox(master, name='list')
diff --git a/Demo/tkinter/guido/mbox.py b/Demo/tkinter/guido/mbox.py
index 88b0b89..45c384e 100755
--- a/Demo/tkinter/guido/mbox.py
+++ b/Demo/tkinter/guido/mbox.py
@@ -9,7 +9,7 @@ import getopt
 import string
 import mhlib
 
-from Tkinter import *
+from tkinter import *
 
 from dialog import dialog
 
diff --git a/Demo/tkinter/guido/newmenubardemo.py b/Demo/tkinter/guido/newmenubardemo.py
index 57bf13c..51c4e64 100644
--- a/Demo/tkinter/guido/newmenubardemo.py
+++ b/Demo/tkinter/guido/newmenubardemo.py
@@ -2,7 +2,7 @@
 
 """Play with the new Tk 8.0 toplevel menu option."""
 
-from Tkinter import *
+from tkinter import *
 
 class App:
 
diff --git a/Demo/tkinter/guido/optionmenu.py b/Demo/tkinter/guido/optionmenu.py
index 7365fa6..1e72aa5 100644
--- a/Demo/tkinter/guido/optionmenu.py
+++ b/Demo/tkinter/guido/optionmenu.py
@@ -1,6 +1,6 @@
 # option menu sample (Fredrik Lundh, September 1997)
 
-from Tkinter import *
+from tkinter import *
 
 root = Tk()
 
diff --git a/Demo/tkinter/guido/paint.py b/Demo/tkinter/guido/paint.py
index 7b2e814..65f2353 100644
--- a/Demo/tkinter/guido/paint.py
+++ b/Demo/tkinter/guido/paint.py
@@ -20,7 +20,7 @@ options like other shapes or colors...
                                                 davem@magnet.com
 """
 
-from Tkinter import *
+from tkinter import *
 
 """paint.py: not exactly a paint program.. just a smooth line drawing demo."""
 
diff --git a/Demo/tkinter/guido/rmt.py b/Demo/tkinter/guido/rmt.py
index c177c72..7b3f700 100755
--- a/Demo/tkinter/guido/rmt.py
+++ b/Demo/tkinter/guido/rmt.py
@@ -11,7 +11,7 @@
 
 # XXX This should be written in a more Python-like style!!!
 
-from Tkinter import *
+from tkinter import *
 import sys
 
 # 1. Create basic application structure: menu bar on top of
diff --git a/Demo/tkinter/guido/solitaire.py b/Demo/tkinter/guido/solitaire.py
index a521c66..b2a2a66 100755
--- a/Demo/tkinter/guido/solitaire.py
+++ b/Demo/tkinter/guido/solitaire.py
@@ -25,7 +25,7 @@ know!
 import math
 import random
 
-from Tkinter import *
+from tkinter import *
 from Canvas import Rectangle, CanvasText, Group, Window
 
 
diff --git a/Demo/tkinter/guido/sortvisu.py b/Demo/tkinter/guido/sortvisu.py
index 27dc9f0..0c71fc9 100644
--- a/Demo/tkinter/guido/sortvisu.py
+++ b/Demo/tkinter/guido/sortvisu.py
@@ -19,7 +19,7 @@ stand-alone application.
 """
 
 
-from Tkinter import *
+from tkinter import *
 from Canvas import Line, Rectangle
 import random
 
diff --git a/Demo/tkinter/guido/ss1.py b/Demo/tkinter/guido/ss1.py
index d957907..6a7aefc 100644
--- a/Demo/tkinter/guido/ss1.py
+++ b/Demo/tkinter/guido/ss1.py
@@ -485,7 +485,7 @@ def colnum2name(n):
         s = chr(m+ord('A')) + s
     return s
 
-import Tkinter as Tk
+import tkinter as Tk
 
 class SheetGUI:
 
diff --git a/Demo/tkinter/guido/svkill.py b/Demo/tkinter/guido/svkill.py
index b9d82ab..0dd9f95 100755
--- a/Demo/tkinter/guido/svkill.py
+++ b/Demo/tkinter/guido/svkill.py
@@ -2,7 +2,7 @@
 
 # Tkinter interface to SYSV `ps' and `kill' commands.
 
-from Tkinter import *
+from tkinter import *
 
 if TkVersion < 4.0:
     raise ImportError("This version of svkill requires Tk 4.0 or later")
diff --git a/Demo/tkinter/guido/switch.py b/Demo/tkinter/guido/switch.py
index 3b58f7c..3f43925 100644
--- a/Demo/tkinter/guido/switch.py
+++ b/Demo/tkinter/guido/switch.py
@@ -1,6 +1,6 @@
 # Show how to do switchable panels.
 
-from Tkinter import *
+from tkinter import *
 
 class App:
 
diff --git a/Demo/tkinter/guido/tkman.py b/Demo/tkinter/guido/tkman.py
index c84d889..52b6d03 100755
--- a/Demo/tkinter/guido/tkman.py
+++ b/Demo/tkinter/guido/tkman.py
@@ -6,7 +6,7 @@ import sys
 import os
 import string
 import re
-from Tkinter import *
+from tkinter import *
 from ManPage import ManPage
 
 MANNDIRLIST = ['/depot/sundry/man/mann','/usr/local/man/mann']
diff --git a/Demo/tkinter/matt/00-HELLO-WORLD.py b/Demo/tkinter/matt/00-HELLO-WORLD.py
index 20a2050..3b4092a 100644
--- a/Demo/tkinter/matt/00-HELLO-WORLD.py
+++ b/Demo/tkinter/matt/00-HELLO-WORLD.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # note that there is no explicit call to start Tk.
 # Tkinter is smart enough to start the system if it's not already going.
diff --git a/Demo/tkinter/matt/animation-simple.py b/Demo/tkinter/matt/animation-simple.py
index 071bde7..4120d66 100644
--- a/Demo/tkinter/matt/animation-simple.py
+++ b/Demo/tkinter/matt/animation-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This program shows how to use the "after" function to make animation.
 
diff --git a/Demo/tkinter/matt/animation-w-velocity-ctrl.py b/Demo/tkinter/matt/animation-w-velocity-ctrl.py
index 68eb1d0..88309ca 100644
--- a/Demo/tkinter/matt/animation-w-velocity-ctrl.py
+++ b/Demo/tkinter/matt/animation-w-velocity-ctrl.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this is the same as simple-demo-1.py, but uses
 # subclassing.
diff --git a/Demo/tkinter/matt/bind-w-mult-calls-p-type.py b/Demo/tkinter/matt/bind-w-mult-calls-p-type.py
index f744d26..af0ec81 100644
--- a/Demo/tkinter/matt/bind-w-mult-calls-p-type.py
+++ b/Demo/tkinter/matt/bind-w-mult-calls-p-type.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 import string
 
 # This program  shows how to use a simple type-in box
diff --git a/Demo/tkinter/matt/canvas-demo-simple.py b/Demo/tkinter/matt/canvas-demo-simple.py
index b677ccd..7f2c17b 100644
--- a/Demo/tkinter/matt/canvas-demo-simple.py
+++ b/Demo/tkinter/matt/canvas-demo-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this program creates a canvas and puts a single polygon on the canvas
 
diff --git a/Demo/tkinter/matt/canvas-gridding.py b/Demo/tkinter/matt/canvas-gridding.py
index 84f4ea0..2f9d23a 100644
--- a/Demo/tkinter/matt/canvas-gridding.py
+++ b/Demo/tkinter/matt/canvas-gridding.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this is the same as simple-demo-1.py, but uses
 # subclassing.
diff --git a/Demo/tkinter/matt/canvas-moving-or-creating.py b/Demo/tkinter/matt/canvas-moving-or-creating.py
index 5327c08..edd64f7 100644
--- a/Demo/tkinter/matt/canvas-moving-or-creating.py
+++ b/Demo/tkinter/matt/canvas-moving-or-creating.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this file demonstrates a more sophisticated movement --
 # move dots or create new ones if you click outside the dots
diff --git a/Demo/tkinter/matt/canvas-moving-w-mouse.py b/Demo/tkinter/matt/canvas-moving-w-mouse.py
index 81785d8..21d724f 100644
--- a/Demo/tkinter/matt/canvas-moving-w-mouse.py
+++ b/Demo/tkinter/matt/canvas-moving-w-mouse.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this file demonstrates the movement of a single canvas item under mouse control
 
diff --git a/Demo/tkinter/matt/canvas-mult-item-sel.py b/Demo/tkinter/matt/canvas-mult-item-sel.py
index a4f267c..4875b44 100644
--- a/Demo/tkinter/matt/canvas-mult-item-sel.py
+++ b/Demo/tkinter/matt/canvas-mult-item-sel.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # allows moving dots with multiple selection.
 
diff --git a/Demo/tkinter/matt/canvas-reading-tag-info.py b/Demo/tkinter/matt/canvas-reading-tag-info.py
index 75990c9..265f0a1 100644
--- a/Demo/tkinter/matt/canvas-reading-tag-info.py
+++ b/Demo/tkinter/matt/canvas-reading-tag-info.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 
 class Test(Frame):
diff --git a/Demo/tkinter/matt/canvas-w-widget-draw-el.py b/Demo/tkinter/matt/canvas-w-widget-draw-el.py
index 3cbf937..ca96583 100644
--- a/Demo/tkinter/matt/canvas-w-widget-draw-el.py
+++ b/Demo/tkinter/matt/canvas-w-widget-draw-el.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this file demonstrates the creation of widgets as part of a canvas object
 
diff --git a/Demo/tkinter/matt/canvas-with-scrollbars.py b/Demo/tkinter/matt/canvas-with-scrollbars.py
index b55215d..1c5681a 100644
--- a/Demo/tkinter/matt/canvas-with-scrollbars.py
+++ b/Demo/tkinter/matt/canvas-with-scrollbars.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This example program creates a scroling canvas, and demonstrates
 # how to tie scrollbars and canvses together. The mechanism
diff --git a/Demo/tkinter/matt/dialog-box.py b/Demo/tkinter/matt/dialog-box.py
index 0c71c3a..c0b8825 100644
--- a/Demo/tkinter/matt/dialog-box.py
+++ b/Demo/tkinter/matt/dialog-box.py
@@ -1,5 +1,5 @@
-from Tkinter import *
-from Dialog import Dialog
+from tkinter import *
+from tkinter.dialog import Dialog
 
 # this shows how to create a new window with a button in it
 # that can create new windows
diff --git a/Demo/tkinter/matt/entry-simple.py b/Demo/tkinter/matt/entry-simple.py
index 0bf4cab..1f55df5 100644
--- a/Demo/tkinter/matt/entry-simple.py
+++ b/Demo/tkinter/matt/entry-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 import string
 
 # This program  shows how to use a simple type-in box
diff --git a/Demo/tkinter/matt/entry-with-shared-variable.py b/Demo/tkinter/matt/entry-with-shared-variable.py
index c7cd259..473a596 100644
--- a/Demo/tkinter/matt/entry-with-shared-variable.py
+++ b/Demo/tkinter/matt/entry-with-shared-variable.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 import string
 
 # This program  shows how to make a typein box shadow a program variable.
diff --git a/Demo/tkinter/matt/killing-window-w-wm.py b/Demo/tkinter/matt/killing-window-w-wm.py
index 23ac103..b4034d1 100644
--- a/Demo/tkinter/matt/killing-window-w-wm.py
+++ b/Demo/tkinter/matt/killing-window-w-wm.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This file shows how to trap the killing of a window
 # when the user uses window manager menus (typ. upper left hand corner
diff --git a/Demo/tkinter/matt/menu-all-types-of-entries.py b/Demo/tkinter/matt/menu-all-types-of-entries.py
index e4e4bfd..1e3bb8c 100644
--- a/Demo/tkinter/matt/menu-all-types-of-entries.py
+++ b/Demo/tkinter/matt/menu-all-types-of-entries.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # some vocabulary to keep from getting confused. This terminology
 # is something I cooked up for this file, but follows the man pages
diff --git a/Demo/tkinter/matt/menu-simple.py b/Demo/tkinter/matt/menu-simple.py
index 2487561..a927c50 100644
--- a/Demo/tkinter/matt/menu-simple.py
+++ b/Demo/tkinter/matt/menu-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # some vocabulary to keep from getting confused. This terminology
 # is something I cooked up for this file, but follows the man pages
diff --git a/Demo/tkinter/matt/not-what-you-might-think-1.py b/Demo/tkinter/matt/not-what-you-might-think-1.py
index 7b20f02..85c65c8 100644
--- a/Demo/tkinter/matt/not-what-you-might-think-1.py
+++ b/Demo/tkinter/matt/not-what-you-might-think-1.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 
 class Test(Frame):
diff --git a/Demo/tkinter/matt/not-what-you-might-think-2.py b/Demo/tkinter/matt/not-what-you-might-think-2.py
index 9ee197c..4512063 100644
--- a/Demo/tkinter/matt/not-what-you-might-think-2.py
+++ b/Demo/tkinter/matt/not-what-you-might-think-2.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 
 class Test(Frame):
diff --git a/Demo/tkinter/matt/packer-and-placer-together.py b/Demo/tkinter/matt/packer-and-placer-together.py
index 84d3ee0..3cf6c45 100644
--- a/Demo/tkinter/matt/packer-and-placer-together.py
+++ b/Demo/tkinter/matt/packer-and-placer-together.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This is a program that tests the placer geom manager in conjunction with
 # the packer. The background (green) is packed, while the widget inside is placed
diff --git a/Demo/tkinter/matt/packer-simple.py b/Demo/tkinter/matt/packer-simple.py
index 1a505dd..64f61d5 100644
--- a/Demo/tkinter/matt/packer-simple.py
+++ b/Demo/tkinter/matt/packer-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 
 class Test(Frame):
diff --git a/Demo/tkinter/matt/placer-simple.py b/Demo/tkinter/matt/placer-simple.py
index 992a8fc..6be0de9 100644
--- a/Demo/tkinter/matt/placer-simple.py
+++ b/Demo/tkinter/matt/placer-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This is a program that tests the placer geom manager
 
diff --git a/Demo/tkinter/matt/pong-demo-1.py b/Demo/tkinter/matt/pong-demo-1.py
index 7fcf800..09f9f2e 100644
--- a/Demo/tkinter/matt/pong-demo-1.py
+++ b/Demo/tkinter/matt/pong-demo-1.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 import string
 
diff --git a/Demo/tkinter/matt/printing-coords-of-items.py b/Demo/tkinter/matt/printing-coords-of-items.py
index c74c1c3..26a4649 100644
--- a/Demo/tkinter/matt/printing-coords-of-items.py
+++ b/Demo/tkinter/matt/printing-coords-of-items.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this file demonstrates the creation of widgets as part of a canvas object
 
diff --git a/Demo/tkinter/matt/radiobutton-simple.py b/Demo/tkinter/matt/radiobutton-simple.py
index eeddb23..a2719b8 100644
--- a/Demo/tkinter/matt/radiobutton-simple.py
+++ b/Demo/tkinter/matt/radiobutton-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This is a demo program that shows how to
 # create radio buttons and how to get other widgets to
diff --git a/Demo/tkinter/matt/rubber-band-box-demo-1.py b/Demo/tkinter/matt/rubber-band-box-demo-1.py
index 66b8f8b..48526d8 100644
--- a/Demo/tkinter/matt/rubber-band-box-demo-1.py
+++ b/Demo/tkinter/matt/rubber-band-box-demo-1.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 class Test(Frame):
     def printit(self):
diff --git a/Demo/tkinter/matt/rubber-line-demo-1.py b/Demo/tkinter/matt/rubber-line-demo-1.py
index b1c8e78..cfc4882 100644
--- a/Demo/tkinter/matt/rubber-line-demo-1.py
+++ b/Demo/tkinter/matt/rubber-line-demo-1.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 class Test(Frame):
     def printit(self):
diff --git a/Demo/tkinter/matt/slider-demo-1.py b/Demo/tkinter/matt/slider-demo-1.py
index 5662db9..687f8a3 100644
--- a/Demo/tkinter/matt/slider-demo-1.py
+++ b/Demo/tkinter/matt/slider-demo-1.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # shows how to make a slider, set and get its value under program control
 
diff --git a/Demo/tkinter/matt/subclass-existing-widgets.py b/Demo/tkinter/matt/subclass-existing-widgets.py
index fc04859..ce97f35 100644
--- a/Demo/tkinter/matt/subclass-existing-widgets.py
+++ b/Demo/tkinter/matt/subclass-existing-widgets.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # This is a program that makes a simple two button application
 
diff --git a/Demo/tkinter/matt/two-radio-groups.py b/Demo/tkinter/matt/two-radio-groups.py
index 52513ba..38b61b1 100644
--- a/Demo/tkinter/matt/two-radio-groups.py
+++ b/Demo/tkinter/matt/two-radio-groups.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 #       The way to think about this is that each radio button menu
 #       controls a different variable -- clicking on one of the
diff --git a/Demo/tkinter/matt/window-creation-more.py b/Demo/tkinter/matt/window-creation-more.py
index 3a4ce19..32c8b70 100644
--- a/Demo/tkinter/matt/window-creation-more.py
+++ b/Demo/tkinter/matt/window-creation-more.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this shows how to create a new window with a button in it
 # that can create new windows
diff --git a/Demo/tkinter/matt/window-creation-simple.py b/Demo/tkinter/matt/window-creation-simple.py
index fdf1dcc..f5e6230 100644
--- a/Demo/tkinter/matt/window-creation-simple.py
+++ b/Demo/tkinter/matt/window-creation-simple.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 # this shows how to spawn off new windows at a button press
 
diff --git a/Demo/tkinter/matt/window-creation-w-location.py b/Demo/tkinter/matt/window-creation-w-location.py
index af6f876..9f82367 100644
--- a/Demo/tkinter/matt/window-creation-w-location.py
+++ b/Demo/tkinter/matt/window-creation-w-location.py
@@ -1,4 +1,4 @@
-from Tkinter import *
+from tkinter import *
 
 import sys
 ##sys.path.append("/users/mjc4y/projects/python/tkinter/utils")