Update app.py

app.py

@@ -28,10 +28,7 @@ def respond(message, chat_history):
  #       history.append((inp, output))     
  #       return history
 
-
-block = gr.Blocks(css=".gradio-container {background-color: lightblue}")
-
-with block:
+with gr.Blocks(theme=gr.themes.Soft()):
     
     chatbot = gr.Chatbot()
     
@@ -47,7 +44,7 @@ with block:
             label="What would you like to talk about?",
             type = "text",
      )
-        message.submit(respond, [msg, chatbot], [msg, chatbot]) 
+        message.submit(respond, [message, chatbot], [msg, chatbot]) 
         
     with gr.Row():
         submit = gr.Button(value="Send", variant="secondary").style(full_width=False)