old_contents: from __future__ import unicode_literals
  from .service import Service  # noqa:flake8
  
  __version__ = '0.5.2'
  
new_contents: from __future__ import unicode_literals
  from .service import Service  # noqa:flake8
  
  __version__ = '0.5.3-yelp-1'
  
subject: Bump version.