Index: tktreectrl-2.0.1/TkTreectrl/Treectrl.py
===================================================================
--- tktreectrl-2.0.1.orig/TkTreectrl/Treectrl.py
+++ tktreectrl-2.0.1/TkTreectrl/Treectrl.py
@@ -15,9 +15,11 @@
 #                        - weiter mit header methoden
 
 try:
-    import tkinter
-except ImportError:
+    # Python 2, which may also find a dysfunctional tkinter package
     import Tkinter as tkinter
+except ImportError:
+    # Python 3
+    import tkinter
 
 class TreectrlEvent:
     '''Container for the properties of an event.