blog/themes/Flex/templates/partial/translations.html

{% macro translations_for(article) %}
    {% if article.translations %}
    <div class="translations">
    <a class="active" href="{{ SITEURL }}/{{ article.url }}">{{article.lang}}</a>
    {% for translation in article.translations %}
        <a href="{{ SITEURL }}/{{ translation.url }}">{{ translation.lang }}</a>
    {% endfor %}
    </div>
    {% endif %}
{% endmacro %}