Update app.py

app.py

@@ -128,7 +128,7 @@ def gradio_ask(user_message, chatbot, chat_state):
 def gradio_answer(chatbot, chat_state, img_list, num_beams, temperature):
     llm_message = chat.answer(conv=chat_state,
                               img_list=img_list,
-                              num_beams=num_beams,
+                              num_beams=1,
                               temperature=temperature,
                               max_new_tokens=300,
                               max_length=2000)[0]