IOError: [Errno 2] No such file or directory: 'sst_dir/datasetSentences.txt'

[maoyanying]

when i execute python process_sst2_data.py w2v_bin sst_dir,it is erro. IOError: [Errno 2] No such file or directory: 'sst_dir/datasetSentences.txt'.Do you have sst_dir?How can i deal with it?thank you !