训练时tensorflow没有相关属性

Traceback (most recent call last):
  File "run.py", line 46, in <module>
    train_ner()
  File "run.py", line 39, in train_ner
    train(args=args)
  File "/home/git_project/BERT-BiLSTM-CRF-NER/bert_base/train/bert_lstm_ner.py", line 619, in train
    early_stopping_hook = tf.contrib.estimator.stop_if_no_decrease_hook(
AttributeError: module 'tensorflow.contrib.estimator' has no attribute 'stop_if_no_decrease_hook'

我在项目文件里使用python run.py命令训练的时候出现了上述情况，我本地tf版本为1.14.0在网上也查过了这是tf的版本不对，所以想问一下bert_base文件夹下的tf版本是多少，能否更新一下最新的文件呢

macanv / BERT-BiLSTM-CRF-NER

训练时tensorflow没有相关属性 #317