admin.html

<div class="icnml_navigation">
    <div id="icnml_navigation_tptemplate">
        <a href="{{ url_for( 'template_tenprint_list' ) }}">TP Templates</a>
    </div>
    <div id="icnml_navigation_pianos">
        <a href="{{ url_for( 'pianos_actions' ) }}">PiAnoS</a>
    </div>
</div>