trivial modification of all shebang.

`/usr/bin/python3` -> `/usr/bin/env python3`

It's always better to trust the environment defined path to bin/python, as
virtualenv become the way to go.

4 files changed, 4 insertions, 4 deletions

diff --git a/mat2 b/mat2
index 23a09d3..0b8ea98 100755
--- a/mat2
+++ b/mat2
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import os
 from typing import Tuple
diff --git a/tests/test_corrupted_files.py b/tests/test_corrupted_files.py
index 928ca1f..72d124f 100644
--- a/tests/test_corrupted_files.py
+++ b/tests/test_corrupted_files.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil
diff --git a/tests/test_libmat2.py b/tests/test_libmat2.py
index 95f4ceb..74dad2e 100644
--- a/tests/test_libmat2.py
+++ b/tests/test_libmat2.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil
diff --git a/tests/test_policy.py b/tests/test_policy.py
index 5a8447b..890f8c3 100644
--- a/tests/test_policy.py
+++ b/tests/test_policy.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil