Pinry/pinry/templates/includes/field.html

<div class="control-group{% if field.errors %} error{% endif %}">
    <label class="control-label" for="{{ field.id_for_label }}">{{ field.label }}</label>
    <div class="controls">
        {{ field }}
        {% if field.errors %}
            <span class="help-inline">
                {% if field.errors %}
                    {% for error in field.errors %}
                        {{ error|escape }}
                    {% endfor %}
                {% endif %}
            </span>
        {% endif %}
    </div>
</div>