incomplete_inds = [ind for ind, next_word in enumerate(next_word_inds) if next_word != word_map['']]
incomplete_inds always is [0,1,2,3,4] .
and then
complete_inds = list(set(range(len(next_word_inds))) - set(incomplete_inds))
complete_inds is empty
so complete_seqs is null.
my Model out is error