--- python_fn.vim.orig	2008-10-08 10:26:57 +0600
+++ python_fn.vim	2008-10-08 10:38:12 +0600
@@ -39,6 +39,10 @@
 "   ]<up>   -- Jump to previous line with the same/lower indentation
 "   ]<down> -- Jump to next line with the same/lower indentation
 
+if !exists("use_python_after_ftplugin")
+  finish
+endif
+
 " Only do this when not done yet for this buffer
 if exists("b:loaded_py_ftplugin")
   finish