anchor.diff:  { lib
  +, bluetooth-data-tools
   , bluetooth-sensor-state-data
   , buildPythonPackage
   , fetchFromGitHub
  
positive.code: 
  buildPythonPackage rec {
    pname = "govee-ble";
    version = "0.14.1";
    format = "pyproject";
  
    disabled = pythonOlder "3.9";
  
negative.code:     owner = "Bluetooth-Devices";
      repo = pname;
      rev = "v${version}";
      hash = "sha256-Kj1RCDQiDAt01yjoRVPdpi2dlF8V1rwnx+n7WGTRdQ0=";
    };
  
    nativeBuildInputs = [
  