anchor.diff:    };
   in buildPythonPackage rec {
     pname = "numpy";
  -
  -  # Attention! v1.22.0 breaks scipy and by extension scikit-learn, so
  -  # build both to verify they don't break.
  -  # https://github.com/scipy/scipy/issues/15414
     version = "1.23.3";
  -
  -  format = "pyproject";
  +  format = "setuptools";
     disabled = pythonOlder "3.7";
   
     src = fetchPypi {
  
positive.code: , lapack
  , writeTextFile
  , cython
  , setuptoolsBuildHook
  , pythonOlder
  }:
  
  
negative.code:     ./numpy-distutils-C++.patch
    ];
  
    nativeBuildInputs = [ gfortran cython ];
    buildInputs = [ blas lapack ];
  
    # we default openblas to build with 64 threads
  