text: """Set up paths.
  """
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import os.path
  import sys
  
  
  def add_path(path):
      if path not in sys.path:
          sys.path.insert(0, path)
  
  
  this_dir = os.path.dirname(__file__)
  
  # Add lib to PYTHONPATH
  lib_path = os.path.join(this_dir, '..')
  add_path(lib_path)
  