def scrape_quote_tags(quote_div):
    """Scrape tags from a ``<div>`` quote element.

    Args:
        quote_div (bs4.element.Tag): ``<div>`` quote element from a quote page.

    Returns:
        yield ``<a>`` tags

    """
    tags_container = quote_div.find('div', attrs={'class': 'greyText smallText left'})
    if tags_container:
        for tag in tags_container.children:
            if tag.name == 'a':
                yield tag
    return None