anchor.diff:  
   buildPythonPackage rec {
     pname = "ge25519";
  -  version = "1.2.0";
  -  format = "setuptools";
  +  version = "1.3.0";
  +  format = "pyproject";
   
     disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       inherit pname version;
  -    hash = "sha256-8GsNY62SusUmQcaqlhKOPHbd0jvZulCaxMxeob37JJM=";
  +    hash = "sha256-y9Nv59pLWk1kRjZG3EmalT34Mjx7RLZ4WkvJlRrK5LI=";
     };
   
     propagatedBuildInputs = [
  
positive.code: , fe25519
  , fetchPypi
  , fountains
  , nose
  , parts
  , pytestCheckHook
  , pythonOlder
  
negative.code:   ];
  
    checkInputs = [
      pytestCheckHook
    ];
  
    postPatch = ''
      substituteInPlace pyproject.toml \
        --replace "--doctest-modules --ignore=docs --cov=ge25519 --cov-report term-missing" ""
    '';
  
    pythonImportsCheck = [
      "ge25519"
  