Template gives error in config.yaml

@ageurtse wrote:

Hello,

i’m trying to work with templats, what i want is do a count on my door and window contacts.

when i check the template in the template editor, it is working, but when pasting the code to the config.yaml. it won;t load.

what do i do wrong ?

sensors:
  - platform: template 
    sensors:
      contact_count:
        entity_id: sensor.count
        value_template: > 
          {% set binary_sensor = [
            states.binary_sensor.voordeur,
            states.binary_sensor.achterdeur,
            states.binary_sensor.raam_voor,
            states.binary_sensor.raam_achter,
            ] %}
          {{ binary_sensor | selectattr('state','eq','on') | list | count }}

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