class_docstr: Underlying LSTM model for MSTParser used by BIST parser.
class_docstr_tok: ["Underlying","LSTM","model","for","MSTParser","used","by","BIST","parser","."]
code: def load(self, filename):
      self.model.populate(filename)
  
file_path: nlp-architect/nlp_architect/models/bist/mstlstm.py
imports: import random
  import time
  from collections import namedtuple
  from operator import itemgetter
  from dynet import ParameterCollection, AdamTrainer, LSTMBuilder, tanh, logistic, rectify, cmult, SimpleRNNBuilder, concatenate, np, renew_cg, esum
  from nlp_architect.data.conll import ConllEntry
  from nlp_architect.models.bist import decoder
  from nlp_architect.models.bist.utils import read_conll
label_desc: Use image node_id 8 for calling the MSTParserLSTM obj's underlying member method code with example usage: obj.load(filename) without return types