diff -up mctc-lib-0.3.0/config/install-mod.py.python3 mctc-lib-0.3.0/config/install-mod.py
--- mctc-lib-0.3.0/config/install-mod.py.python3	2022-04-13 05:44:42.000000000 -0400
+++ mctc-lib-0.3.0/config/install-mod.py	2022-06-09 15:44:10.221393840 -0400
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 # This file is part of mctc-lib.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");