bug fix for respond

app.py

@@ -20,7 +20,7 @@ service.scrape_and_get_store_vector_retriever(config.URLS)
 # Initialize the LLMService with logger, prompt, and store vector retriever
 llm_svc = LLMService(logger, config.SYSTEM_PROMPT, store.get_chroma_instance().as_retriever())
 
-def respond(user_input):
+def respond(user_input, history):
     if user_input == "clear_chat_history_aisdb_override":
         llm_svc.store={}
     response = llm_svc.conversational_rag_chain().invoke(