update

generation.py

@@ -35,7 +35,7 @@ def invoke_retry(prompt,agent,parameters):
         try:
             score_text = agent.invoke(prompt, **parameters)
             score = re.search(r'\d+', score_text)
-            return int(score.group()) if score else None
+            return int(score.group()) if score else -1
         except Exception as e:
             print(f"Attempt {attempts + 1} failed: {e}")
             time.sleep(delay)