{% for error in flash.get_messages('error') %}
    <div class="notice notice-error error is-dismissible">
        <p>{{ error | raw}}</p>
    </div>
{% endfor %}

{% for message in flash.get_messages('success') %}
    <div class="notice notice-success updated is-dismissible">
        <p>{{ message | raw }}</p>
    </div>
{% endfor %}