detect.py --classes IndexError about yolov5 HOT 5 CLOSED

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from yolov5.

@VvvvvGH thank you for your bug report! We can successfully reproduce this following your example. I will look into this.

from yolov5.

@VvvvvGH yes you are correct, x and j are becoming different shapes causing the error. Your solution works well. I will push a fix shortly.

from yolov5.

Same fix needs to be applied in yolov3 repo also

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@Tamme submit a PR on the relevant repo please.

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