Update app.py

app.py

@@ -128,7 +128,7 @@ def stitch_rgbd_videos(
         os.replace(temp_audio_path, stitched_video_path)
 
     # Return stitched video.
-    return [stitched_video_path, ""]
+    return stitched_video_path
 
 def construct_demo():
     with gr.Blocks(analytics_enabled=False) as demo:
@@ -162,7 +162,7 @@ def construct_demo():
         generate_btn.click(
             fn=stitch_rgbd_videos,
             inputs=[processed_video, depth_vis_video, max_len, target_fps, max_res, stitch_option, grayscale_option, convert_from_color_option, blur_slider],
-            outputs=[stitched_video],
+            outputs=stitched_video,
         )
     
     return demo