Update app.py

app.py

@@ -364,15 +364,12 @@ def generate_video(prompt, negative_prompt, height, width, num_frames, guidance_
             num_frames=num_frames,
             guidance_scale=float(guidance_scale),
             num_inference_steps=steps
-        ).frames
-
-    if not output_frames_list or not output_frames_list[0]:
-        raise gr.Error("Model returned empty frames. Check parameters or try a different prompt.")
-    output_frames = output_frames_list[0]
+        ).frames[0]
 
     with tempfile.NamedTemporaryFile(suffix=".mp4", delete=False) as tmpfile:
         video_path = tmpfile.name
-    export_to_video(output_frames, video_path, fps=fps)
+        
+    export_to_video(output_frames_list, video_path, fps=fps)
     logger.info(f"Video successfully generated and saved to {video_path}")
     return video_path