diff --git a/hlink/tests/core/classifier_test.py b/hlink/tests/core/classifier_test.py
index 4ffa37a..7616acb 100644
--- a/hlink/tests/core/classifier_test.py
+++ b/hlink/tests/core/classifier_test.py
@@ -3,7 +3,7 @@
 from hlink.linking.core.classifier import choose_classifier
 
 try:
-    import xgboost
+    import xgboost  # noqa: F401
 except ModuleNotFoundError:
     xgboost_available = False
 else: