Expected object of scalar type Long but got scalar type Int for argument #2 'target'

Exception has occurred: RuntimeError

Expected object of scalar type Long but got scalar type Int for argument #2 'target'

 

 

方法一：
targets =torch.LongTensor(targets)
 
方法二：
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
targets = targets.to(device,dtype=torch.int64)