old_contents: """Central place for package metadata."""
  
  from pkg_resources import DistributionNotFound, get_distribution
  
  # NOTE: We use __title__ instead of simply __name__ since the latter would
  #       interfere with a global variable __name__ denoting object's name.
  __title__ = 'djangorestframework-reactive'
  __summary__ = 'Making Django REST Framework reactive'
  __url__ = 'https://github.com/genialis/django-rest-framework-reactive'
  
  try:
      __version__ = get_distribution(__title__).version
  except DistributionNotFound:
      # Package is not (yet) installed.
      pass
  
  __author__ = 'Genialis d.o.o.'
  __email__ = 'dev-team@genialis.com'
  
  __license__ = 'Apache License (2.0)'
  __copyright__ = '2015-2018, ' + __author__
  
  __all__ = [
      "__title__",
      "__summary__",
      "__url__",
      "__version__",
      "__author__",
      "__email__",
      "__license__",
      "__copyright__",
  ]
  
new_contents: """Central place for package metadata."""
  
  from pkg_resources import DistributionNotFound, get_distribution
  
  # NOTE: We use __title__ instead of simply __name__ since the latter would
  #       interfere with a global variable __name__ denoting object's name.
  __title__ = 'djangorestframework-reactive'
  __summary__ = 'Making Django REST Framework reactive'
  __url__ = 'https://github.com/genialis/django-rest-framework-reactive'
  
  try:
      __version__ = get_distribution(__title__).version
  except DistributionNotFound:
      # Package is not (yet) installed.
      pass
  
  __author__ = 'Genialis, Inc.'
  __email__ = 'dev-team@genialis.com'
  
  __license__ = 'Apache License (2.0)'
  __copyright__ = '2015-2019, ' + __author__
  
  __all__ = [
      "__title__",
      "__summary__",
      "__url__",
      "__version__",
      "__author__",
      "__email__",
      "__license__",
      "__copyright__",
  ]
  
subject: Update copyright