use proper shebang lines
diff --git a/Lib/cgi.py b/Lib/cgi.py
index db10a62..77ecde6 100755
--- a/Lib/cgi.py
+++ b/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