old_contents: """
  GNTP (aka Growl) notification service.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/notify.gntp/
  """
  import logging
  import os
  
  from homeassistant.components.notify import (
      ATTR_TITLE, BaseNotificationService)
  
  REQUIREMENTS = ['gntp==1.0.3']
  
  _LOGGER = logging.getLogger(__name__)
  
  _GNTP_LOGGER = logging.getLogger('gntp')
  _GNTP_LOGGER.setLevel(logging.ERROR)
  
  
  def get_service(hass, config):
      """Get the GNTP notification service."""
      if config.get('app_icon') is None:
          icon_file = os.path.join(os.path.dirname(__file__), "..", "frontend",
                                   "www_static", "favicon-192x192.png")
          app_icon = open(icon_file, 'rb').read()
      else:
          app_icon = config.get('app_icon')
  
      return GNTPNotificationService(config.get('app_name', 'HomeAssistant'),
                                     config.get('app_icon', app_icon),
                                     config.get('hostname', 'localhost'),
                                     config.get('password'),
                                     config.get('port', 23053))
  
  
  # pylint: disable=too-few-public-methods
  class GNTPNotificationService(BaseNotificationService):
      """Implement the notification service for GNTP."""
  
      # pylint: disable=too-many-arguments
      def __init__(self, app_name, app_icon, hostname, password, port):
          """Initialize the service."""
          import gntp.notifier
          import gntp.errors
          self.gntp = gntp.notifier.GrowlNotifier(
              applicationName=app_name,
              notifications=["Notification"],
              applicationIcon=app_icon,
              hostname=hostname,
              password=password,
              port=port
          )
          try:
              self.gntp.register()
          except gntp.errors.NetworkError:
              _LOGGER.error('Unable to register with the GNTP host.')
              return
  
      def send_message(self, message="", **kwargs):
          """Send a message to a user."""
          self.gntp.notify(noteType="Notification", title=kwargs.get(ATTR_TITLE),
                           description=message)
  
new_contents: """
  GNTP (aka Growl) notification service.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/notify.gntp/
  """
  import logging
  import os
  
  from homeassistant.components.notify import (
      ATTR_TITLE, BaseNotificationService)
  
  REQUIREMENTS = ['gntp==1.0.3']
  
  _LOGGER = logging.getLogger(__name__)
  
  _GNTP_LOGGER = logging.getLogger('gntp')
  _GNTP_LOGGER.setLevel(logging.ERROR)
  
  
  def get_service(hass, config):
      """Get the GNTP notification service."""
      if config.get('app_icon') is None:
          icon_file = os.path.join(os.path.dirname(__file__), "..", "frontend",
                                   "www_static", "icons", "favicon-192x192.png")
          app_icon = open(icon_file, 'rb').read()
      else:
          app_icon = config.get('app_icon')
  
      return GNTPNotificationService(config.get('app_name', 'HomeAssistant'),
                                     config.get('app_icon', app_icon),
                                     config.get('hostname', 'localhost'),
                                     config.get('password'),
                                     config.get('port', 23053))
  
  
  # pylint: disable=too-few-public-methods
  class GNTPNotificationService(BaseNotificationService):
      """Implement the notification service for GNTP."""
  
      # pylint: disable=too-many-arguments
      def __init__(self, app_name, app_icon, hostname, password, port):
          """Initialize the service."""
          import gntp.notifier
          import gntp.errors
          self.gntp = gntp.notifier.GrowlNotifier(
              applicationName=app_name,
              notifications=["Notification"],
              applicationIcon=app_icon,
              hostname=hostname,
              password=password,
              port=port
          )
          try:
              self.gntp.register()
          except gntp.errors.NetworkError:
              _LOGGER.error('Unable to register with the GNTP host.')
              return
  
      def send_message(self, message="", **kwargs):
          """Send a message to a user."""
          self.gntp.notify(noteType="Notification", title=kwargs.get(ATTR_TITLE),
                           description=message)
  
subject: Change path to favicon in GNTP