Created by: wxl1351641822

Traceback (most recent call last):
  File "./work/seq2seq.py", line 393, in <module>
    train(opt)
  File "./work/seq2seq.py", line 322, in train
    predict(opt, opt.model_save_dir)
  File "./work/seq2seq.py", line 352, in predict
    predict_seqs = model_func(opt,inputs, is_train=False)
  File "./work/seq2seq.py", line 227, in model_func
    is_train=is_train)
  File "./work/seq2seq.py", line 185, in decoder
    decoder_output,_=layers.dynamic_decoder(
AttributeError: module 'paddle.fluid.layers' has no attribute 'dynamic_decoder'

paddle1.7.0,python3.7,我在另一个notebook里用是ok的，但在这个notebook里用就不行？？茫然