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Add val.py no label warning (#8782) 

Help resolve confusion around zero-metrics val.py results when no labels are found in https://github.com/ultralytics/yolov5/issues/8753
pull/8747/head^2
Glenn Jocher 2022-07-29 14:45:29 +02:00 committed by GitHub
parent 567397d67a
commit e309a85586
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@ -275,6 +275,8 @@ def run(
# Print results # Print results
pf = '%20s' + '%11i' * 2 + '%11.3g' * 4 # print format pf = '%20s' + '%11i' * 2 + '%11.3g' * 4 # print format
LOGGER.info(pf % ('all', seen, nt.sum(), mp, mr, map50, map)) LOGGER.info(pf % ('all', seen, nt.sum(), mp, mr, map50, map))
if nt.sum() == 0:
LOGGER.warning(emojis(f'WARNING: no labels found in {task} set, can not compute metrics without labels ⚠️'))
# Print results per class # Print results per class
if (verbose or (nc < 50 and not training)) and nc > 1 and len(stats): if (verbose or (nc < 50 and not training)) and nc > 1 and len(stats):