text: # coding: utf-8
  from __future__ import absolute_import
  
  import sys
  
  
  IS_PY2 = sys.version_info[0] == 2
  
  
  def to_ustr(text):
      if IS_PY2:
          return text.decode('utf-8')
      else:
          return text
  
  
  EMPTY_USTR = to_ustr('')
  
  SPACE_USTR = to_ustr(' ')
  
  NEWLINE_USTR = to_ustr('\n')
  