None entity_id in script?

@Mariusthvdb wrote:

HI,

cant find the changes in the script which support an empty/none entity_id.
Please let mask if this then is correct syntax (template at the bottom) in the case of no lights being ‘on’:

  sequence:
    service: light.turn_off
    data_template:
      entity_id: >
        {% set ns = namespace(group=[]) %}
        {% if is_state('group.daughter','not_home') %}
          {% set ns.group = expand(states.group.all_inside_lights) %}
        {% else %}
          {% set ns.group = expand(states.group.all_main_inside_lights) + expand(states.group.plafond_spots_woonkamer) %}
        {% endif %}
        {% set all_lights_on =
         ns.group|selectattr('state','eq','on')|map(attribute='entity_id')|list|join(',') %}
        {{all_lights_on if all_lights_on|list|length != 0 else none}}
      transition: 6

if I simply use {{all_lights_on}} I get an error:

Slapen lighting: Error executing script. Invalid data for call_service at pos 1: not a valid value for dictionary value @ data['entity_id']

if you help me find the pointer to the changes, thanks!
only found this https://github.com/home-assistant/core/pull/31427 so in the above script added ‘none’. Hope this is what was meant to be?

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