<div class="form-group{% if field.field.widget.is_required %} required{% endif %}">
<label class="{{ label_class }} control-label" for="{{ field.id_for_label }}">{{ field.label }}</label>
<div class="{{ field_class }}">
- <input type="checkbox" id="{{ field.id_for_label }}" name="{{ field.html_name }}"{% if field.value %} checked{% endif %}>
+ <input type="checkbox" id="{{ field.id_for_label }}" name="{{ field.html_name }}"
+ {% if field.value %} checked{% endif %} {{ attrs }}>
</div>
</div>