Update core/chatbot/retrieval_chatbot.py

core/chatbot/retrieval_chatbot.py

@@ -116,7 +116,7 @@ class RetrievalChatbot(BaseChatbot):
         sub_retrieve=sub_retrieve_english+sub_retrieve_chinese
         for ref in sub_retrieve:
             sub_retrieve_reference += "Related research: {ref}\n".format(ref=ref)
-        sub_answerer_context = "Sub Question References: {sub_retrieve_reference}\nQuestion: {question}\n".format(sub_retrieve_reference=sub_retrieve_reference, question=sub_question)
+        sub_answerer_context = "Sub Question References: {sub_retrieve_reference}\nQuestion: {question}\n".format(sub_retrieve_reference=sub_retrieve_reference, question=sub_question[0])
         refine_task = asyncio.create_task(self.answerer.refine_async(sub_answerer_context, self.memory, image_paths))
         await refine_task
         sub_answer = refine_task.result()