diff --git a/tests/test_cli.py b/tests/test_cli.py
index 3b3e9750..9d600d67 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,6 +1,6 @@
 import os
 import unittest
-from unittest.mock import patch, mock_open
+from unittest.mock import mock_open, patch
 from io import StringIO
 
 from diagrams.cli import run