Update app.py

app.py

@@ -115,6 +115,7 @@ demo = gr.Interface(
     fn=handle_message,
     inputs=["text", gr.Radio(["Chat-Message", "Web-Search", "Chart-Generator"], label="mode", info="Choose a mode and enter your message, then click submit to interact.")],
     outputs=[gr.Textbox(label="Response"), gr.Image(label="Chart", type="filepath")],
+    theme=gr.themes.Soft(),
     title="IT Assistant")
 
 demo.launch(show_api=False)