dataTtransform = transforms.Compose([
	transforms.ToTensor(),
    transforms.Resize([imageSize, imageSize]),
])

在定义transforms.Compose()时,把ToTensor()方法写在了Resize()之前,造成顺序不对。

修改如下:

dataTtransform = transforms.Compose([
    transforms.Resize([imageSize, imageSize]),
    transforms.ToTensor(),
])