anchor.diff:  buildPythonPackage rec {
     pname = "prance";
     version = "0.21.8.0";
  +  format = "pyproject";
   
     src = fetchFromGitHub {
       owner = "RonnyPfannschmidt";
  
positive.code:     openapi-spec-validator
    ];
  
    postPatch = ''
      substituteInPlace setup.cfg \
        --replace "--cov=prance --cov-report=term-missing --cov-fail-under=90" ""
    '';
  
    # Disable tests that require network
    disabledTestPaths = [
      "tests/test_convert.py"
  
negative.code:     fetchSubmodules = true;
      sha256 = "sha256-kGANMHfWwhW3ZBw2ZVCJZR/bV2EPhcydMKhDeDTVwcQ=";
    };
  
    postPatch = ''
      substituteInPlace setup.cfg \
        --replace "--cov=prance --cov-report=term-missing --cov-fail-under=90" "" \
        --replace "chardet>=3.0,<5.0" "chardet"
    '';
  
    SETUPTOOLS_SCM_PRETEND_VERSION = version;
  
  