code: def set_seed(self, seed):
  
          
  
          assert seed.dtype == np.int and seed.shape == (self.samples, self.N)
          self.topic_seed = seed
docs: Override default values for random initial topic assignment,
          set to "seed" instead.
          seed is 2-d array (number of samples in LDA model x number
          of tokens in LDA model)