Poprawka dwa

- platform: rest
  name: szambo
  resource: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  method: GET
  value_template: >
    {% set data = value_json.locations[0].measurement %}
    {{ {
        'percent': data.percent,
        'batt_level': data.batt_level,
        'cm': data.cm,
        'nextfull': data.nextfull,
        'lastempty': data.lastempty
    } | tojson }}
  json_attributes:
    - percent
    - batt_level
    - cm
    - nextfull
    - lastempty
  scan_interval: 1800

- platform: template
  sensors:
    szambo_poziom:
      friendly_name: "Poziom szamba"
      value_template: "{{ state_attr('sensor.szambo', 'percent') | float(default=0) }}"
      unit_of_measurement: '%'

    szambo_bateria:
      friendly_name: "Stan baterii"
      value_template: "{{ state_attr('sensor.szambo', 'batt_level') | float(default=0) }}"
      unit_of_measurement: '%'

    szambo_cm:
      friendly_name: "Poziom szamba w cm"
      value_template: "{{ state_attr('sensor.szambo', 'cm') | float(default=0) }}"
      unit_of_measurement: 'cm'

    szambo_nastepne_oproznienie:
      friendly_name: "Następne opróżnienie"
      value_template: "{{ state_attr('sensor.szambo', 'nextfull') }}"

    szambo_ostatnie_oproznienie:
      friendly_name: "Ostatnie opróżnienie"
      value_template: "{{ state_attr('sensor.szambo', 'lastempty') }}"