diff --git a/tests/test_utils_snapshot.py b/tests/test_utils_snapshot.py
index 3b75e16a9..544a2e39d 100644
--- a/tests/test_utils_snapshot.py
+++ b/tests/test_utils_snapshot.py
@@ -1,5 +1,6 @@
 import pytest
 from slic.utils import snapshot 
+from slic.core.adjustable import Adjustable
 from unittest.mock import patch