Update app.py

app.py

@@ -511,7 +511,7 @@ def chatbot_interface(user_query, response_style, selected_retrieval_methods, se
     chatbot = MistralRAGChatbot(vector_db_path, annoy_index_path)
 
     selected_retrieval_methods_list = [method.strip() for method in selected_retrieval_methods.split(',') if method.strip()]
-    selected_reranking_methods_list = [method.strip() for method in selected_reranking_methods.split(',') if method.strip()]
+    selected_reranking_methods_list = [method.strip() for method in selected_reranking_methods if method.strip()]
 
     response, retrieved_docs, source_info = asyncio.run(chatbot.generate_response_with_rag(
         user_query=user_query,