app/templates/flash.html

   1 {% with messages = get_flashed_messages() %}
   2 {% if messages %}
   3 {% for message in messages %}
   4 <div class="alert alert-info">
   5     <button type="button" class="close" data-dismiss="alert">&times;</button>
   6     {{ message }}
   7 </div>
   8 {% endfor %}
   9 {% endif %}
  10 {% endwith %}