Update app.py

app.py

@@ -12,6 +12,6 @@ with gr.Blocks() as demo:
     btn.click(fn=lambda x: x, inputs=text, outputs=out, api_name='run')
     btn2.click(fn=lambda x: "hello", inputs=text, outputs=out, api_name='say_hello')
     text.change(fn=lambda x: x, inputs=text, outputs=out, api_name=False)
-
+    btn3.click(fn=lambda x: "42", inputs=text, outputs=out, api_name='')
 
 demo.queue().launch()