def _do_edit_distace_alignment(self, min_len, max_len): #Do edit distance alignment phrase_extractor = PhraseExtractor(self.s_sentence, self.s1_sentence, min_len, max_len) self.phrases = phrase_extractor.extract_pairs() self.src_mismatches, self.tgt_mismatches = phrase_extractor.find_non_alignments()