2 files changed, 4 insertions, 0 deletions
diff --git a/plot.py b/plot.py
index 0a8ec75..5105e5f 100644..100755
--- a/plot.py
+++ b/plot.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 # Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
 # This file is part of the "Sorting algorithms" project.
 # For details, see https://github.com/egor-tensin/sorting-algorithms.
diff --git a/test.py b/test.py
index 524df22..cbf8880 100644..100755
--- a/test.py
+++ b/test.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 # Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com>
 # This file is part of the "Sorting algorithms" project.
 # For details, see https://github.com/egor-tensin/sorting-algorithms.