convert shebang lines: python -> python3
diff --git a/Lib/trace.py b/Lib/trace.py
index e6316b6..9d91fe8 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # portions copyright 2001, Autonomous Zones Industries, Inc., all rights...
 # err...  reserved and offered to the public under the terms of the