Unavailable command_line sensor

Configuration
,
1

I have a command line sensor:

command_line:
   - sensor:
        name: cmd_disk_lifetime
       command: 'curl -s -H "Authorization: Bearer $SUPERVISOR_TOKEN" http://supervisor/host/info | jq ".data.disk_life_time"'
       unit_of_measurement: "%"
       state_class: measurement
      # This fixes the silent 'unavailable' state by handling null or empty strings
       value_template: >
         {% if value in ['null', '', 'None'] or value is not defined %}
           0
         {% else %}
           {{ value | int }}
         {% endif %}
       scan_interval: 3600 
       unique_id: host_disk_lifetime

image
image844×715 30.7 KB

The sensor obtains a value at the moment of reloading only, but then becomes unavailable without any errors.
I would appreciate any help or advice on where to look for the problem.