Retrieves all the tags for a Title (given as page and language).
    This function does not use fallbacks to retrieve title object.

    :param page: a Page instance
    :param lang: a language code

    :return: list or queryset of attached tags
    :type: List

def get_title_tags(page, lang):
    """
    Retrieves all the tags for a Title (given as page and language).
    This function does not use fallbacks to retrieve title object.

    :param page: a Page instance
    :param lang: a language code

    :return: list or queryset of attached tags
    :type: List
    """
    from .models import TitleTags
    try:
        return page.get_title_obj(language=lang, fallback=False).titletags.tags.all()
    except TitleTags.DoesNotExist:
        return []