{% extends "base.html" %}
{% import 'bootstrap/wtf.html' as wtf %}

{% block app_content %}
    <form action="" method="post" novalidate enctype="multipart/form-data">
        {{ form.hidden_tag() }}
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary mt-3") }}
    </form>
{% endblock %}