code: def _read_file(filename):
      with open(filename, "r") as f:
          return f.readlines()
  
file_path: auptimizer/tests/command/test_setup.py
imports: import unittest
  from os import path
  from shutil import rmtree
  from six.moves.configparser import ConfigParser
  from aup import setup
label_desc: Use image node_id 2 for calling a global function with example usage: _read_file(filename) and returns: f