BERT模型命名实体识别出现的小错误

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Traceback (most recent call last):
File "C:/Users/ZXH/Desktop/BERT-CH-NER-master/bert-master/run_NER.py", line 27, in <module>
import optimization
File "C:UsersZXHDesktopBERT-CH-NER-masterbert-masteroptimization.py", line 87, in <module>
class AdamWeightDecayOptimizer(tf.train.Optimizer):
AttributeError: module 'tensorflow_core._api.v2.train' has no attribute 'Optimizer'

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把optimization.py中的类
class AdamWeightDecayOptimizer(tf.train.Optimizer)
改成
class AdamWeightDecayOptimizer(tf.compat.v1.train.Optimizer)

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Traceback (most recent call last):
File "C:/Users/ZXH/Desktop/BERT-CH-NER-master/bert-master/run_NER.py", line 33, in <module>
flags = tf.flags
AttributeError: module 'tensorflow' has no attribute 'flags'

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将原语句中的：
flags = tf.flags
FLAGS = flags.FLAGS
修改为：
flags = tf.compat.v1.flags
FLAGS = flags.FLAGS

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报错：AttributeError: module 'tensorflow' has no attribute 'app'

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把 import tensorflow as tf
换成 import tensorflow.compat.v1 as tf