diff --git a/tests/test_runtime.py b/tests/test_runtime.py
index 52beb20..2d26f21 100644
--- a/tests/test_runtime.py
+++ b/tests/test_runtime.py
@@ -187,7 +187,7 @@ def error_prone_function() -> int:
             raise NotImplementedError
 
         with pytest.raises(SchemaValidationError):
-            result = error_prone_function()
+            error_prone_function()
 
     assert mock_model.call_count == 4  # Initial call + 3 retries