{% with messages = get_flashed_messages(with_categories=True) %}
{% if messages %}
{% for category, message in messages %}
{{ message }}
{% endfor %}
{% endif %}
{% endwith %}
{% if 'render_job' in session or has_renders %}
{% if 'render_job' in session %}
Processing...
(this may take several minutes!)
{% else %}
{% endif %}
{% endif %} {# render job #}