tensorflow.contrib替换

TensorFlow 2.0中contrib被弃用,看了不降级操作后将将import tensorflow.contrib.slim as slim改为import tf_slim as slim
下面contrib中的函数应该怎么该
from tensorflow.contrib.slim.nets import resnet_v1
from tensorflow.contrib.slim.nets import resnet_utils
from tensorflow.contrib.slim.python.slim.nets.resnet_v1 import resnet_v1_block