diff --git a/testing/test_looponfail.py b/testing/test_looponfail.py
index c22e5c8c..65a89fbf 100644
--- a/testing/test_looponfail.py
+++ b/testing/test_looponfail.py
@@ -1,5 +1,4 @@
 import pathlib
-import sys
 import tempfile
 import unittest.mock
 from typing import List