new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  import csv
  
  
  class TSVOpener:
      def __init__(self, opt={}):
          self.name = opt.get('name')
          self.file_reader = opt.get('reader', csv)
          self.delimiter = opt.get('delimeter', b'\t')
          self.tsv = self.open_tsv_and_read_file()
  
      def reader(self):
          return self.tsv
  
      def open_tsv_and_read_file(self):
          return self.file_reader.reader(self.name, delimiter=self.delimiter)
  
      def build(self):
          return self.reader()
  
      @staticmethod
      def reader(options={}):
          return TSVOpener(options).build
subject: Add simple TSV reader for HUWiki corpus