code: def _read_words(filename):
      with tf.gfile.GFile(filename, "rb") as f:
          return f.read().decode("utf-8").replace("\n", "<eos>").split()
  
file_path: tensorpack/examples/PennTreebank/reader.py
imports: from __future__ import absolute_import, division, print_function
  import collections
  import os
  import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: _read_words(filename) and returns: f