{% set selected_user_id = none %} {% if form_data[id_prefix+'_uid'] %} {% set selected_user_id = form_data[id_prefix+'_uid'] | int(None) %} {% endif %} {% if selected_user_id is none and data is not none and data.user_id %} {% set selected_user_id = data.user_id %} {% endif %} {% if selected_user_id is none %} {% set selected_user = None %} {% else %} {% set selected_user = get_user_if_exists(selected_user_id) %} {% endif %}