Index: actor-framework/scripts/demystify.py
===================================================================
--- actor-framework.orig/scripts/demystify.py
+++ actor-framework/scripts/demystify.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 
 # This script demystifies C++ compiler output for CAF by
 # replacing cryptic `typed_mpi<...>` templates with
Index: actor-framework/scripts/indent_trace_log.py
===================================================================
--- actor-framework.orig/scripts/indent_trace_log.py
+++ actor-framework/scripts/indent_trace_log.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 
 # Indents a CAF log with trace verbosity. The script does *not* deal with a log
 # with multiple threads.
Index: actor-framework/scripts/make_index_rst.py
===================================================================
--- actor-framework.orig/scripts/make_index_rst.py
+++ actor-framework/scripts/make_index_rst.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 
 # Generates the content for an index.rst file
 # from the content of a manual.tex file.
Index: actor-framework/scripts/pandoc-filter.py
===================================================================
--- actor-framework.orig/scripts/pandoc-filter.py
+++ actor-framework/scripts/pandoc-filter.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 
 import json
 import sys