若报错Downloading: "https://download.pytorch.org/models/resnet50-19c8e357.pth" to .cache/torch/checkpoints/resnet50-19c8e357.pth失败,则需提前下载resnet50-19c8e357.pth,拷贝至.cache/torch/checkpoints/。
若报错Downloading: "https://download.pytorch.org/models/resnet50-19c8e357.pth" to .cache/torch/checkpoints/resnet50-19c8e357.pth失败,则需提前下载resnet50-19c8e357.pth,拷贝至.cache/torch/checkpoints/。