{% for group, entries, index in widget.optgroups %}
    {% for entry in entries %}
        <label tabindex="0" class="choice{% if forloop.parentloop.first %} active{% endif %}">
            <input type="radio" name="{{ entry.name }}" value="{{ entry.value }}"{% if forloop.parentloop.first %} checked{% endif %}>
            <strong>{{ entry.label }}</strong>
            <span class="info">{{ entry.attrs.description }}</span>
        </label>
    {% endfor %}
{% endfor %}
