#1
label_map = dict((v,k) for k,v in train_generator.class_indices.items())
#2
label_map = (train_generator.class_indices)
label_map = dict((v,k) for k,v in label_map.items()) #flip k,v
在实验Cats Vs Dogs的分类。predict时,用#1会报错,#2可以运行。
AttributeError: 'DataFrameIterator' object has no attribute 'class_indices'
请问有人知道这两句的区别是什么么?