Update app.py

app.py

@@ -34,9 +34,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     chatbot = gr.Chatbot()       
     message = gr.Textbox(label="What would you like to chat about?")
                
-    with gr.Row():
-        submit = gr.Button(value="Send")  
-        clear = gr.Button(value="Clear Chat")
+    submit = gr.Button(value="Send")  
+    clear = gr.Button(value="Clear Chat")
                
 """    gr.Examples(
         examples=[
@@ -50,7 +49,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     def respond(message, chat_history):
     bot_message = ["How are you?"]        
     chat_history.append((message, bot_message))
-    return "", chat_history
+    return chat_history
 
     message.click(respond, [message, chatbot])