normalize shebang lines to #!/usr/bin/env python
diff --git a/Tools/pybench/Setup.py b/Tools/pybench/Setup.py
index 21e654a..309f3db 100644
--- a/Tools/pybench/Setup.py
+++ b/Tools/pybench/Setup.py
@@ -1,4 +1,4 @@
-#!python
+#!/usr/bin/env python
 
 # Setup file for pybench
 #