<fieldset class="w500p">
<div class="row">
<label class="col w150p" for="file">{% trans "File:" %}</label>
- <input class="col" type="file" id="file" name="file" tabindex="4">
+ <input class="col" type="file" id="file" name="file" tabindex="4" required="required">
</div>
<div class="row mts txtcenter">
<button class="bouton" type="submit" tabindex="4">{% trans "Import" %}</button>