如何使用每个类名的Keras类权重制作字典？

import numpy as np
from keras.applications import ResNet50
from keras.preprocessing import image
from keras.applications.resnet50 import preprocess_input, decode_predictions

model = ResNet50(weights='imagenet')

class_labels = decode_predictions(np.eye(1, 1000, 1, dtype=float))[0]

class_weights = {}

for class_label in class_labels:
    class_name = class_label[1]
    class_weight = class_label[2]
    class_weights[class_name] = class_weight