code: def word_vector(self, w):
      return (
          matutils.unitvec(self._model[w])
          if self.check_word(w)
          else None
      )
  
imports: from numpy import array
  from gensim import matutils
label_desc: Use image node_id 7 for calling the WordRelatedness obj's underlying member method code with example usage: obj.word_vector(w) and returns: unknown