Welcome to modernity

diff --git a/src/simix/simcalls.py b/src/simix/simcalls.py
index 885081e..aed9139 100755 (executable)
--- a/src/simix/simcalls.py
+++ b/src/simix/simcalls.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2014-2021. The SimGrid Team. All rights reserved.