remove buttons

app.py

@@ -36,7 +36,7 @@ async def cancel_local_demo(state_chatbot: gr.State, cancel_btn: gr.Button,
         state_chatbot (Sequence): the chatting history
         request (gr.Request): the request from a user
     """
-    return (state_chatbot, disable_btn, enable_btn)
+    return (state_chatbot, disable_btn, disable_btn)
 
 async def chat_stream_demo(
     instruction: str,
@@ -61,7 +61,7 @@ async def chat_stream_demo(
         if item[1] is not None:
             messages.append(dict(role='assistant', content=item[1]))
 
-    yield (state_chatbot, state_chatbot, disable_btn, enable_btn,
+    yield (state_chatbot, state_chatbot, disable_btn, disable_btn,
            f'{bot_summarized_response}'.strip())
 
     async for outputs in InterFace.async_engine.generate(
@@ -86,7 +86,7 @@ async def chat_stream_demo(
         yield (state_chatbot, state_chatbot, disable_btn, disable_btn,
                f'{bot_summarized_response}'.strip())
 
-    yield (state_chatbot, state_chatbot, disable_btn, enable_btn,
+    yield (state_chatbot, state_chatbot, disable_btn, disable_btn,
            f'{bot_summarized_response}'.strip())
 
 
@@ -103,8 +103,8 @@ with gr.Blocks(css=CSS, theme=THEME) as demo:
             placeholder='Please input the instruction',
             label='Instruction')
         with gr.Row():
-            cancel_btn = gr.Button(value='Cancel', interactive=False)
-            reset_btn = gr.Button(value='Reset')
+            cancel_btn = gr.Button(value='Cancel', interactive=False, visible=False)
+            reset_btn = gr.Button(value='Reset', interactive=False, visible=False)
 
     send_event = instruction_txtbox.submit(
         chat_stream_demo,