diff -r e7a4c018b563 -r c102b704edb5 contrib/revsetbenchmarks.py
--- a/contrib/revsetbenchmarks.py	Mon Nov 09 09:58:44 2020 -0800
+++ b/contrib/revsetbenchmarks.py	Fri Nov 06 13:58:59 2020 -0800
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Measure the performance of a list of revsets against multiple revisions
 # defined by parameter. Checkout one by one and run perfrevset with every