code: def send_to_backends(self, event):
          
  
          for name, backend in six.iteritems(self.backends):
              try:
                  backend.send(event)
              except Exception:  # pylint: disable=broad-except
                  LOG.exception(
                      'Unable to send event to backend: %s', name
                  )
docs: Sends the event to all registered backends.
  
          Logs and swallows all `Exception`.