class_docstr: Used to decorate file-like objects with a handy 'writeln' method
code: def __getattr__(self, attr):
      return getattr(self.stream, attr)
  
imports: import unittest
  import doctest
  import sys
  import time
  import timeside.core
label_desc: Use image node_id 2 for calling the _WritelnDecorator obj's underlying member method code with example usage: obj.__getattr__(attr) and returns: getattr