anchor.diff:      owner = "sunqm";
       repo = "libcint";
       rev = "v${version}";
  -    sha256 = "18nq6nyprng2dblg37cjbp2jnvqfvn9rrsaaj1jxjgvww49ziv6w";
  +    sha256 = "0dk0100r0nw25xkslvnbn52jdqz9j27v93gjj4fmxsz67kykmc74";
     };
   
     nativeBuildInputs = [ cmake python python.pkgs.numpy ];
  -  buildInputs = [ openblas ];
  +  buildInputs = [ blas ];
   
     doCheck = true;
   
  
positive.code:     platforms = platforms.linux;
    };
  }
  
  
negative.code: { lib, stdenv, fetchFromGitHub, cmake
  , blas, python
  } :
  let
    version = "4.1.3";
  
  in stdenv.mkDerivation {
    pname = "libcint";
  