{% if not section.pageblock_set.all.count %}
[EMPTY SECTION]
{% else %} {% for block in blocks %} {% if block.label %}
{{block.label}}
{% endif %} {% if block.unrenderable %}
Unrenderable Block: {{block.content_object.display_name}}
{% else %} {{block.epub_content|safe}} {% endif %} {% endfor %} {% endif %}