anchor.diff:    src = fetchFromGitHub {
       owner = "Danielhiversen";
       repo = "pyTibber";
  -    rev = version;
  -    hash = "sha256-Ib9Rb6RkhUe4WDDHVLgaOYOleSFj7LFys6pW3WgxMQo=";
  +    rev = "refs/tags/${version}";
  +    hash = "sha256-gR2AAI/ZQ7TX48QsTCwv8qZJOGb978nWLP2+cY9XcI8=";
     };
   
     propagatedBuildInputs = [
  
positive.code:     async-timeout
      graphql-subscription-manager
      python-dateutil
      pytz
    ];
  
    checkInputs = [
  
negative.code: , async-timeout
  , graphql-subscription-manager
  , python-dateutil
  , pytest-asyncio
  , pytestCheckHook
  }:
  
  buildPythonPackage rec {
    pname = "pytibber";
    version = "0.25.2";
    format = "setuptools";
  
    disabled = pythonOlder "3.9";
  