../ python-nltk_2.0~b9-0ubuntu4_all.deb 29-Apr-2013 09:03 919036 python-nltk_3.1-1_all.deb 24-Oct-2015 23:35 851138 python-nltk_3.1-1ubuntu0.1_all.deb 20-Aug-2019 13:13 851684 python3-nltk_3.1-1_all.deb 24-Oct-2015 23:35 851412 python3-nltk_3.1-1ubuntu0.1_all.deb 20-Aug-2019 13:13 851840