Use version 3.0.

Doc/library/site.rst

@@ -61,8 +61,8 @@ and :file:`bar.pth` contains::
 
 Then the following directories are added to ``sys.path``, in this order::
 
-   /usr/local/lib/python2.6/site-packages/bar
-   /usr/local/lib/python2.6/site-packages/foo
+   /usr/local/lib/python3.0/site-packages/bar
+   /usr/local/lib/python3.0/site-packages/foo
 
 Note that :file:`bletch` is omitted because it doesn't exist; the :file:`bar`
 directory precedes the :file:`foo` directory because :file:`bar.pth` comes