diff --git a/weave/scorers/perplexity_scorer.py b/weave/scorers/perplexity_scorer.py
index cc75943e2ce..44d8cafd71d 100644
--- a/weave/scorers/perplexity_scorer.py
+++ b/weave/scorers/perplexity_scorer.py
@@ -1,4 +1,4 @@
-from typing import Union
+from typing import Union, Any
 
 import numpy as np
 from openai.types.chat import ChatCompletion