Update app.py

app.py

@@ -275,7 +275,7 @@ def generate_video(prompt, seed, image=None):
     os.makedirs(save_dir, exist_ok=True)
     video_out_file = f"{save_dir}/{seed}.mp4"
     print(f"generate video, local path: {video_out_file}")
-    export_to_video(output[0], video_out_file, fps=24)
+    export_to_video(output, video_out_file, fps=24)
     return video_out_file, kwargs
 
 def create_gradio_interface():