code: def read_file(path):
      n_lines = count_lines(path)
      bar = progressbar.ProgressBar()
      with open_file(path) as f:
          for line in bar(f, max_value=n_lines):
              words = split_sentence(line)
              yield words
  
file_path: chainer/examples/chainermn/seq2seq/europal.py
imports: from __future__ import unicode_literals
  import collections
  import gzip
  import io
  import os
  import re
  import numpy
  import progressbar
label_desc: Use image node_id 4 for calling a global function with example usage: read_file(path) without return types