xiongyujia

**I met this error, but I find viterbi_decoding in crf.py** ~/anaconda3/lib/python3.6/site-packages/keras/engine/training.py in compile(self, optimizer, loss, metrics, loss_weights, sample_weight_mode, weighted_metrics, target_tensors, **kwargs) 220 skip_target_masks=[l is None for l in self.loss_functions], 221...