old_contents: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __version__ = '0.0.1'
  __all__ = ["name_expansion"]
  
  from name_expansion import NameExpansionCore
  
new_contents: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __version__ = '0.0.1'
  __all__ = ["name_expansion"]
  
  from name_expansion import NameExpansion
  
subject: rename NameExpansionCore to NameExpansion