new_contents: """Discover devices that implement the Spotify Connect platform."""
  from . import MDNSDiscoverable
  
  
  # pylint: disable=too-few-public-methods
  class Discoverable(MDNSDiscoverable):
      """Add support for discovering Spotify Connect service."""
  
      def __init__(self, nd):
          """Initialize the Cast discovery."""
          super(Discoverable, self).__init__(nd, '_spotify-connect._tcp.local.')
  
subject: Add support for discovering spotify connect (#111)