update

util/evaluator.py

@@ -11,7 +11,7 @@ class evaluator:
         required_keys = ["Factually Correct", "Useful", "Context Specific", "User Specific", "Provides Pluralism"]
         for key in required_keys:
             if key not in scores or not isinstance(scores[key], (int, float)) or not (0 <= scores[key] <= 1):
-                raise ValueError(f"Score for '{key}' is missing or out of range. Received: {scores.get(key)}")
+                return None
         return scores
 
     def __call__(self, question,explanation):