diff --git a/tests/storage/test_filesystem.py b/tests/storage/test_filesystem.py
index cfd4fee..ab2cf8b 100644
--- a/tests/storage/test_filesystem.py
+++ b/tests/storage/test_filesystem.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 
 import os
-import sys
 import subprocess
+import sys
 
 import pytest