{% for message in messages %}
    {% if message %}
        <!-- Modal Structure -->
        <div id="modal_msg" class="modal">
          <div class="modal-content">
            <h4>Aviso</h4>
            <p>{{ message }}</p>
          </div>
          <div class="modal-footer">
            <a href="#!" class="modal-action modal-close waves-effect btn blue darken-1">Aceptar</a>
          </div>
        </div>
        <script type="text/javascript">

            $(document).ready(function(){
                $('#modal_msg').modal();
                $('#modal_msg').modal('open');
              
            });
       
        </script>
    {% endif %}
{% endfor %}