ShellSwitch doesn't update

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Below the code for a ShellSwitch to control my pihole activity. It turns on and off but the switch doesn’t refresh when pihole is controlled from elsewhere then pimatic.
It refreshes once I edit the switch in the gui, adding and deleting a character there, but not from interval. Any ideas?

      "onCommand": "pihole enable",
      "offCommand": "pihole disable",
      "getStateCommand": "sudo pihole status | grep -c enabled",
      "interval": 10000,
      "hap": {
        "service": "Lightbulb",
        "exclude": true
      },
      "id": "pihole-enabled",
      "name": "PiHole enabled",
      "class": "ShellSwitch",
      "forceExecution": true
    },

The getStateCommand must return a ‘boolean string’ with on/off, true/false or 1/0.
What does the command ‘sudo pihole status | grep -c enabled’ returns?
The state is polled and updated every 10 secs.

Exactly that, either 1 or 0, it works fine with ssh cli.
It just doesn’t update itself, as said, it works when forced to so.

what happens if you use “echo $(( $RANDOM % 2 ))” as getStateCommand?
It generates a random 0 or 1. This way you can check if ShellSwitch is the problem