takahe/templates/forms/_field.html

<div class="field">
    <div class="label-input">
        <label for="{{ field.id_for_label }}">
            {{ field.label }}
            {% if field.field.required %}<small>(Required)</small>{% endif %}
        </label>
        {% if field.help_text %}
            <p class="help">
                {{ field.help_text|linebreaksbr }}
            </p>
        {% endif %}
        {{ field.errors }}
        {% if field.field.widget.input_type == "file" and field.value %}
        <div class="clear">
            <input type="checkbox" class="clear" name="{{ field.name }}__clear"> Clear current value</input>
        </div>
        {% endif %}
        {{ field }}
    </div>
    {% if field.field.widget.input_type == "file" and field.value %}
        <img class="preview" src="{{ field.value }}">
    {% endif %}
</div>