Update app.py

app.py

@@ -42,8 +42,8 @@ def respond(
     print(datetime.now())
     print(system_message)
     
-    retriever = vector_db.as_retriever(search_type="similarity_score_threshold", search_kwargs={"score_threshold": score, "k": 10})
-#    retriever = vector_db.as_retriever(search_type="mmr")
+#    retriever = vector_db.as_retriever(search_type="similarity_score_threshold", search_kwargs={"score_threshold": score, "k": 10})
+    retriever = vector_db.as_retriever(search_type="mmr")
     documents = retriever.invoke(message)
 
     spacer = " \n"