AssertionError: WARNING: No labels found in ** Can not train without labels.
报错:Traceback(mostrecentcalllast):File"D:/GraduationProject/Py_Code2.0/yolov5-master/train.py",line466,intrain(hyp,opt,device,tb_writer)File"D:/GraduationProject/Py_Code2.0/yolov5-master/train.py",line