Change num_words to topn in dtm_coherence (#2926)
Change num_words to topn in dtm_coherence (#2926)


RaRe-Technologies/gensim,piskvorky/gensim,gojomo/gensim,piskvorky/gensim,RaRe-Technologies/gensim,gojomo/gensim,RaRe-Technologies/gensim,gojomo/gensim,gojomo/gensim,RaRe-Technologies/gensim,piskvorky/gensim