diff -up matplotlib-1.0.1/setupext.py.tkinter matplotlib-1.0.1/setupext.py
--- matplotlib-1.0.1/setupext.py.tkinter	2011-10-31 14:58:44.000000000 +0100
+++ matplotlib-1.0.1/setupext.py	2011-10-31 14:59:14.000000000 +0100
@@ -829,7 +829,7 @@ def check_for_tk():
 
     if gotit:
         print_status("Tkinter", "Tkinter: %s, Tk: %s, Tcl: %s" %
-                     (Tkinter.__version__.split()[-2], Tkinter.TkVersion, Tkinter.TclVersion))
+                     (Tkinter.__version__, Tkinter.TkVersion, Tkinter.TclVersion))
     else:
         print_status("Tkinter", "no")
     if explanation is not None: