{% import 'appbuilder/baselib.html' as baselib %}

<form class="form-search" action="" method="post">
<div class="table-responsive">
<table class="table table-condensed"><tr>
    {% for item in form if item.id in search_columns %}
        <tr>
        {{ lib.render_field_simple(item) }}
        </tr>
    {% endfor %}
    <tr> <td> {{ lib.btn_search() }} </td></tr>

</table>
</div>
</form>
<script nonce="{{ baselib.get_nonce() }}">
$(".my_select2").prepend("<option value=''></option>");
</script>
