Update app.py

app.py

@@ -45,7 +45,7 @@ try:
 except FileNotFoundError:
     cache = {}
 
-def retrieve_answer(query, threshold=0.6, top_k=1):
+def retrieve_answer(query, threshold=0.4, top_k=1):
     query_embedding = model.encode([query])[0]
     result = index.query(vector=query_embedding.tolist(), top_k=top_k, include_metadata=True)
     try: