code: def __add__(self, right):
      return self.callback() + right
  
imports: from __future__ import absolute_import
  import os
  import sys
  import re
  import io
  import codecs
  import shutil
  import tempfile
  from contextlib import contextmanager
label_desc: Use image node_id 4 for calling the LazyStr obj's underlying member method code with example usage: obj.__add__(right) and returns: unknown