added debug line

app.py

@@ -610,6 +610,7 @@ def paint_video(video_preview, query_frame, video_fps, tracks, visibs, rate=1, s
     video_file_path = os.path.join(video_path, video_file_name)
     os.makedirs(video_path, exist_ok=True)
     for f in glob.glob(os.path.join(video_path, "*.jpg")):
+        print('deleting', f)
         os.remove(f)
     if False:
         mediapy.write_video(video_file_path, painted_video, fps=video_fps)