old_contents: # https://www.python.org/dev/peps/pep-0440
  
  __version__ = "3.1.0b"
  
new_contents: # https://www.python.org/dev/peps/pep-0440
  __version__ = '3.1.0b'
  __version__ = '3.1'
  __version__ = '3.1'
  
subject: Remove __version__ from __init__ because of autogeneration