Update app.py

app.py

@@ -57,6 +57,8 @@ with gr.Blocks(css="") as demo:
     index_select = []
     prompt_tmpl = prompt_tmpl_dict["Default"]
     refine_tmpl = refine_tmpl_dict["Default"]
+    sim_k = 1
+    chat_tone = 0.7
     chat_input.submit(chat_ai, [index_select, chat_input, prompt_tmpl, refine_tmpl, sim_k, chat_tone, chat_context, chatbot, search_options_checkbox], [chat_context, chatbot])
     chat_input.submit(reset_textbox, [], [chat_input])
     chat_submit_btn.click(chat_ai, [index_select, chat_input, prompt_tmpl, refine_tmpl, sim_k, chat_tone, chat_context, chatbot, search_options_checkbox], [chat_context, chatbot])