code: def forward(self, input, mask):
      out = self._get_lstm_feature(input)
      return self.crf.decode(out, mask)
  
file_path: DeepKE/src/deepke/name_entity_re/standard/models/BiLSTM_CRF.py
imports: import torch.nn
  from torchcrf import CRF
label_desc: Use image node_id 3 for calling the BiLSTM_CRF obj's underlying member method code with example usage: obj.forward(input, mask) and returns: self