Update app.py

app.py

@@ -20,6 +20,8 @@ def generate(prompt):
 with gr.Blocks() as demo:
     image = gr.Image()
     prompt = gr.Textbox(max_lines=1)
+    button = gr.Button("Chain")
     prompt.submit(generate, [prompt], [image])
+    button.click(lambda x:x+x, button, button).then(generate, [prompt], [image])
 
 demo.launch()