diff --git a/tests/unit/test_tokenizer.py b/tests/unit/test_tokenizer.py
index 4edea21..c6abd86 100644
--- a/tests/unit/test_tokenizer.py
+++ b/tests/unit/test_tokenizer.py
@@ -21,8 +21,9 @@ def decode(self, tokens: list[int], *, skip_special_tokens: bool = True) -> str:
 
 def test_lazy_root_imports() -> None:
     assert insight_extractor.DynamicKeywordStemmer is DynamicKeywordStemmer
+    missing = "MissingThing"
     with pytest.raises(AttributeError):
-        getattr(insight_extractor, "MissingThing")
+        getattr(insight_extractor, missing)
 
 
 def test_count_tokens_uses_loaded_tokenizer() -> None: