Subtract !input from number

Configuration Blueprints
1

I know that I’m trying to subtract and string and a number (i think) but with all my research I can not figure out how to. I’ve tried several different things I’ve found searching and can not get anything to work. I keep getting error: expected int for dictionary value @ data[‘below’]. Got None.

Here is the input: code

    vent_open_fan:
      name: Vent Open During Fan Circulation
      default: 97
      selector:
        number:
          min: 3
          max: 97

and the line that keeps giving me the error I removed everything I’ve tried and just left the !input and number I want to subtract

      - condition: device
        domain: cover
        entity_id: !input room_vent
        device_id: !input room_vent
        type: is_position
        below: !input vent_open_fan - 10

Any help is much appreciated. Still trying different things.

2

You need to parse your input to an integer value in order to be able to do any maths with it.
Add a variables section above your trigger section and create a variable into which you put the vent_open_fan.

variables:
  below_value: !input vent_open_fan

Then parse that value to an integer and deduct the value.

below: {{ below_value | int - 10 }}
3

Thank you for the help

4

I must not be holding my mouth right. Still getting an error.

invalid key: "OrderedDict([('open_vent_fan_below | int - 10', None)])" in "/config/blueprints/automation/MeBadDog/hvac_vent_control_test3.yaml", line 131, column 0

added and changed the following like you said

variables:
  open_vent_fan_below: !input vent_open_fan

below: {{ open_vent_fan_below | int - 10 }}
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