class_docstr: Storage Structure of Topic model, including vocabulary and word topic count.
      
docstr: Return the topic distribution of a word.
          
docstr_tok: ["Return","the","topic","distribution","of","a","word","."]
code: def word_topic(self, term_id):
      """Return the topic distribution of a word."""
      return self.__word_topic[term_id]
  
imports: import os
  from collections import OrderedDict
  import numpy
  from tqdm import tqdm
  from paddlehub.common.logger import logger
  from lda_novel.vocab import Vocab, WordCount
label_desc: Use image node_id 5 for calling the TopicModel obj's underlying member method code with example usage: obj.word_topic(term_id) and returns: self