/usr/local/bin/python -> /usr/bin/env python
diff --git a/Demo/tkinter/www/www4.py b/Demo/tkinter/www/www4.py
index 4351004..b916dca 100755
--- a/Demo/tkinter/www/www4.py
+++ b/Demo/tkinter/www/www4.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
 
 # www4.py -- display the contents of a URL in a Text widget