Update app.py

app.py

@@ -3,5 +3,5 @@ import gradio as gr
 def on_button_click():
     return "Button clicked!"
 
-iface = gr.Interface(fn=on_button_click, inputs="button", outputs="text")
+iface = gr.Interface(fn=on_button_click, inputs=gr.Button(), outputs="text")
 iface.launch()