Update

app.py

@@ -82,9 +82,8 @@ with gr.Blocks(css_paths="style.css") as demo:
                 show_label=False,
                 max_lines=1,
                 placeholder="Enter your prompt",
-                container=False,
+                submit_btn=True,
             )
-            run_button = gr.Button("Generate video", scale=0)
         result = gr.Video(label="Result", show_label=False)
     with gr.Accordion("Advanced options", open=False):
         seed = gr.Slider(
@@ -124,8 +123,7 @@ with gr.Blocks(css_paths="style.css") as demo:
         fn=generate,
     )
 
-    gr.on(
-        triggers=[prompt.submit, run_button.click],
+    prompt.submit(
         fn=randomize_seed_fn,
         inputs=[seed, randomize_seed],
         outputs=seed,