anchor.diff:    disabled = !isPy3k;
     format = "pyproject";
   
  -  src = fetchPypi {
  -    inherit pname version;
  -    sha256 = "sha256-sGdOuCnSMpBDP3GNI2ASK+gEsXDMyAetnZqNHBOYVTM=";
  +  src = fetchFromGitHub {
  +    owner = "KaveIO";
  +    repo = "PhiK";
  +    rev = "v${version}";
  +    hash = "sha256-nr3804MLIBPFw/PlJ9B8xKFFGI5LDp8m2gLtJB7YcEE=";
     };
   
     checkInputs = [
  -    pytest
  -    pytest-pylint
  +    pytestCheckHook
       nbconvert
  +    jupyter
       jupyter-client
     ];
   
  
positive.code:     scikit-build
    ];
  
    pythonImportCheck = [ "phik" ];
  
    postInstall = ''
      rm -r $out/bin
    '';
  
    meta = with lib; {
      description = "Phi_K correlation analyzer library";
      longDescription = "Phi_K is a new and practical correlation coefficient based on several refinements to Pearson’s hypothesis test of independence of two variables.";
      homepage = "https://phik.readthedocs.io/en/latest/";
      maintainers = with maintainers; [ melsigl ];
      license = licenses.asl20;
    };
  
negative.code: { lib
  , buildPythonPackage
  , cmake
  , fetchFromGitHub
  , isPy3k
  , pytestCheckHook
  , nbconvert
  , joblib
  , jupyter
  , jupyter-client
  , numpy
  , scipy
  