File main_hierarchical.py dính lỗi value error

[hieuthehungry]

Traceback (most recent call last):
File "/content/drive/My Drive/Aivivn_1/main_hierarchical.py", line 247, in
args.fix_embed, args.add_embed, args.aug, args.aug_min_len, args.print_model, args.model
File "/content/drive/My Drive/Aivivn_1/main_hierarchical.py", line 117, in train_model
use_additive_emb = use_additive_emb
File "/content/drive/My Drive/Aivivn_1/scripts/rnn.py", line 198, in HRNN
word_lstm = Bidirectional(CuDNNLSTM(128))(embed)
File "/usr/local/lib/python3.6/dist-packages/keras/layers/wrappers.py", line 428, in call
return super(Bidirectional, self).call(inputs, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/keras/engine/base_layer.py", line 408, in call
self.assert_input_compatibility(inputs)
File "/usr/local/lib/python3.6/dist-packages/keras/engine/base_layer.py", line 305, in assert_input_compatibility
str(K.ndim(x)))
ValueError: Input 0 is incompatible with layer bidirectional_1: expected ndim=3, found ndim=4