def METHOD_NAME(request):
    """Displays active messages that is not replaced"""
    active_messages = Message.objects.filter(
        publish_start__lte=datetime.datetime.now(),
        publish_end__gte=datetime.datetime.now(),
        replaced_by__isnull=True,
    )
    info_dict = {'messages': active_messages}
    info_dict.update(ACTIVE_DEFAULTS)
    return render(request, 'messages/list.html', info_dict)