use proper shebang lines

Lib/bsddb/dbshelve.py

@@ -1,4 +1,4 @@
-#!/bin/env python
+#!/usr/bin/env python
 #------------------------------------------------------------------------
 #           Copyright (c) 1997-2001 by Total Control Software
 #                         All Rights Reserved

Lib/cgi.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
 
 # NOTE: the above "/usr/local/bin/python" is NOT a mistake.  It is
 # intentionally NOT "/usr/bin/env python".  On many systems