code: def save(self, weights_file, params_file, preprocessor_file):
      self.p.save(preprocessor_file)
      save_model(self.model, weights_file, params_file)
  
file_path: anago/anago/wrapper.py
imports: from seqeval.metrics import f1_score
  from anago.models import BiLSTMCRF, save_model, load_model
  from anago.preprocessing import IndexTransformer
  from anago.tagger import Tagger
  from anago.trainer import Trainer
  from anago.utils import filter_embeddings
label_desc: Use image node_id 6 for calling the Sequence obj's underlying member method code with example usage: obj.save(weights_file, params_file, preprocessor_file) without return types