anchor.diff:      owner = "bachya";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-r/AJl36dv6+C92tc3kpX4/VzG69qdh4ERCyQxDOHdVU=";
  +    sha256 = "sha256-QgMc0O5jk5LgKQg9ZMCZd3dNLv1typm1Rp2u8kSsqYk=";
     };
   
     nativeBuildInputs = [ poetry-core ];
  
positive.code: 
  buildPythonPackage rec {
    pname = "pyairvisual";
    version = "5.0.7";
    format = "pyproject";
  
    disabled = pythonOlder "3.6";
  
negative.code:     pytestCheckHook
    ];
  
    disabledTestPaths = [ "examples/" ];
  
    pythonImportsCheck = [ "pyairvisual" ];
  
    meta = with lib; {
  