convert shebang lines: python -> python3
diff --git a/Tools/scripts/db2pickle.py b/Tools/scripts/db2pickle.py
index 9dd8bd3..a5532a8 100644
--- a/Tools/scripts/db2pickle.py
+++ b/Tools/scripts/db2pickle.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 Synopsis: %(prog)s [-h|-g|-b|-r|-a] dbfile [ picklefile ]