Update app.py

app.py

@@ -138,6 +138,6 @@ with gr.Blocks(css=CSS, js=JS, theme="soft") as demo:
         examples_per_page=4,
     )
 
-    generate_btn.click(fn=generate, inputs=[image, seed, motion_bucket_id, fps_id], outputs=[video, seed], api_name="video")
+    submit_btn.click(fn=generate, inputs=[image, seed, motion_bucket_id, fps_id], outputs=[video, seed], api_name="video")
     
 demo.queue().launch()