ValueError: operands could not be broadcast together with shapes (224,224,4) (3,) (224,224,4) about grad-cam.pytorch

[kunyaoli]

Traceback (most recent call last):
File "E:/chrome下载/Grad-CAM.pytorch-master/Grad-CAM.pytorch-master/main.py", line 198, in
main(arguments)
File "E:/chrome下载/Grad-CAM.pytorch-master/Grad-CAM.pytorch-master/main.py", line 151, in main
inputs = prepare_input(img)
File "E:/chrome下载/Grad-CAM.pytorch-master/Grad-CAM.pytorch-master/main.py", line 90, in prepare_input
image -= means
ValueError: operands could not be broadcast together with shapes (224,224,4) (3,) (224,224,4)

[kunyaoli]

已经修改好了，主要是原图是采用的png格式存储。全部修改成jpg，就可以了。感谢大佬