anchor.diff:      sha256 = "48d9be622049d8363cda84125c45d18b89e0ab7d99be5a93c0246f375ebad344";
     };
   
  +  nativeBuildInputs = [
  +    setuptools-scm
  +  ];
  +
     propagatedBuildInputs = [
       numpy
       scipy
  
positive.code:     pybind11
    ];
  
    preBuild = ''
      export HOME=$(mktemp -d)
    '';
  
    meta = with lib; {
      description = "Algebraic Multigrid Solvers in Python";
  
negative.code: , scipy
  , pytest
  , pybind11
  , setuptools-scm
  }:
  
  buildPythonPackage rec {
  