convert shebang lines: python -> python3
diff --git a/Lib/test/curses_tests.py b/Lib/test/curses_tests.py
index 7dedbbc..40e832d 100644
--- a/Lib/test/curses_tests.py
+++ b/Lib/test/curses_tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # $Id: ncurses.py 36559 2004-07-18 05:56:09Z tim_one $
 #