Finding all image-label pairs... Found 1500 unique image-label pairs Splitting dataset (80% train, 10% val, 10% test)... Train: 1200 pairs (should be 1200) Val: 150 pairs (should be 150) Test: 150 pairs (should be 150) Copying 1200 files to train... train: 0%| | 0/1200 [00:00