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      if messageboard_flight_index is not None:
        message_queue = [m for m in message_queue if m[0] != FLAG_MSG_INSIGHT]
        flight_message = CreateMessageAboutFlight(flights[messageboard_flight_index])
        message_queue = [(FLAG_MSG_FLIGHT, flight_message)]
        next_message_time = time.time()

    elif command == 'histogram':
      if not flights:
        Log('Histogram requested by remote %s but no flights in memory' % str(args))
      else:
        histogram_type, histogram_history = args
        message_queue.extend(MessageboardHistograms(
            flights,
            histogram_type,
            histogram_history,
            '_1',
            False))

    elif command == 'update_configuration':
      updated_settings = args[0]

      configuration.update(updated_settings)
      if 'setting_screen_enabled' not in updated_settings:
        configuration.pop('setting_screen_enabled')
      WriteFile(CONFIG_FILE, configuration)

    else:
      Log('Improper command from arduinos: %s / %s' % (command, args))

  return message_queue, next_message_time


def PublishMessage(
    s,
    subscription_id='12fd73cd-75ef-4cae-bbbf-29b2678692c1',
    key='c5f62d44-e30d-4c43-a43e-d4f65f4eb399',
    secret='b00aeb24-72f3-467c-aad2-82ba5e5266ca',
    timeout=3):
  """Publishes a text string to a Vestaboard.

  The message is pushed to the vestaboard splitflap display by way of its web services;




                            <----SKIPPED LINES---->

                            <----SKIPPED LINES---->




      if messageboard_flight_index is not None:
        message_queue = [m for m in message_queue if m[0] != FLAG_MSG_INSIGHT]
        flight_message = CreateMessageAboutFlight(flights[messageboard_flight_index])
        message_queue = [(FLAG_MSG_FLIGHT, flight_message)]
        next_message_time = time.time()

    elif command == 'histogram':
      if not flights:
        Log('Histogram requested by remote %s but no flights in memory' % str(args))
      else:
        histogram_type, histogram_history = args
        message_queue.extend(MessageboardHistograms(
            flights,
            histogram_type,
            histogram_history,
            '_1',
            False))

    elif command == 'update_configuration':
      updated_settings = args[0]
      Log('Updated settings received from arduino: %s' % str(updated_settings))
      configuration.update(updated_settings)
      if 'setting_screen_enabled' not in updated_settings:
        configuration.pop('setting_screen_enabled')
      WriteFile(CONFIG_FILE, configuration)

    else:
      Log('Improper command from arduinos: %s / %s' % (command, args))

  return message_queue, next_message_time


def PublishMessage(
    s,
    subscription_id='12fd73cd-75ef-4cae-bbbf-29b2678692c1',
    key='c5f62d44-e30d-4c43-a43e-d4f65f4eb399',
    secret='b00aeb24-72f3-467c-aad2-82ba5e5266ca',
    timeout=3):
  """Publishes a text string to a Vestaboard.

  The message is pushed to the vestaboard splitflap display by way of its web services;




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