dataset = torchvision.datasets.${1|CocoCaptions,CocoDetection,Flickr,Flickr30k|}(root='path/to/root/', annFile='path/to/annotation/file/')dataset = torchvision.datasets.${1|CocoCaptions,CocoDetection,Flickr,Flickr30k|}(root='path/to/root/', annFile='path/to/annotation/file/')