docstr: lac module
docstr_tok: ["lac","module"]
code: def word_seg_module(self):
      """
      lac module
      """
      if not self._word_seg_module:
          self._word_seg_module = hub.Module(name="lac")
      return self._word_seg_module
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import ast
  import json
  import math
  import os
  import numpy
  import six
  from paddle.inference import Config
  from paddle.inference import create_predictor
  from simnet_bow.processor import load_vocab
  from simnet_bow.processor import postprocess
  from simnet_bow.processor import preprocess
  import paddlehub
  from paddlehub.common.paddle_helper import add_vars_prefix
  from paddlehub.common.paddle_helper import get_variable_info
  from paddlehub.common.utils import sys_stdin_encoding
  from paddlehub.io.parser import txt_parser
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
label_desc: Use image node_id 2 for calling the SimnetBow obj's underlying member method code with example usage: obj.word_seg_module() and returns: self