{% load i18n %}<div class="form-row form-control">
    {% if is_initial or widget.value.url %}
    <span class="col-4">
        <div id="lightgallery-{{widget.name}}">
            <a href="{{ widget.value.url }}">
                <img class="form-thumbnail" src="{{ widget.value.url }}">
            </a>
        </div>
    </span>{% endif %}
    <span class="col-8">
    {% if is_initial or widget.value.url %}{% if not widget.required %}
        <input type="checkbox" name="{{ widget.checkbox_name }}"
               id="{{ widget.checkbox_id }}" />
        <label for="{{ widget.checkbox_id }}">{% trans "delete" %}</label>
    {% endif %}{% endif %}
        <input type="{{ widget.type }}" name="{{ widget.name }}"{% include 'django/forms/widgets/attrs.html' %} />
    </span>
</div>
{% if is_initial or widget.value.url %}
<script type="text/javascript">
lightGallery(document.getElementById('lightgallery-{{widget.name}}'));
</script>
{% endif %}