运行出错python sparsity_train.py -sr --s 0.0001 --image_folder obj.data --cfg yolov3.cfg --weights yolov3.weights

[zhangxue919]

错误内容：
File "D:\Program Files\darknet\yolov3-network-slimming-master\yolov3-network-slimming-master\util.py", line 203, in build_targets
th[b, best_n, gj, gi] = math.log(gh / anchors[best_n][1] + 1e-16)#原来没有;,
ValueError: math domain error
求大神帮忙