Description: Use /usr/bin/env python3 as the crunchbang interpreter in setup.py
--- khmer.orig/setup.py
+++ khmer/setup.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 # vim: set fileencoding=utf-8
 # This file is part of khmer, https://github.com/dib-lab/khmer/, and is
 # Copyright (C) 2013-2015, Michigan State University.
