new update

app.py

@@ -81,14 +81,18 @@ with gr.Blocks() as demo:
         #Initalize lanchain - Conversation Retrieval Chain
         qa = ConversationalRetrievalChain.from_llm(llm, retriever=db.as_retriever(), memory=memory)
 
-        response = qa({'question': prompt})
+        question_input = {'question': user_message, "chat_history": chat_history}
 
+        
+        response = qa(question_input)
+
+        answer = response["answer"]
     
 
         #get response from QA Chain
         #response = qa({'question': user_message, "chat_history": chat_history})
         #append user message and respone to chat history
-        chat_history.append((user_message, response["answer"]))
+        chat_history.append((user_message, answer))
         return gr.update(value=""), chat_history
     msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False)
     clear.click(lambda: None, None, chatbot, queue=False)