http://radimrehurek.com/gensim/matutils.html
class gensim.matutils.Sparse2Corpus(sparse, documents_columns=True) Convert a matrix in scipy.sparse format into a streaming gensim corpus.

http://radimrehurek.com/gensim/matutils.html
class gensim.matutils.Sparse2Corpus(sparse, documents_columns=True) Convert a matrix in scipy.sparse format into a streaming gensim corpus.