convert shebang lines: python -> python3
diff --git a/Tools/scripts/finddiv.py b/Tools/scripts/finddiv.py
index 558791f..f24a702 100755
--- a/Tools/scripts/finddiv.py
+++ b/Tools/scripts/finddiv.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 """finddiv - a grep-like tool that looks for division operators.