anchor.diff:      owner = "qiskit";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-/t87IgazpJlfd8NT2Pkn5b6/Ut104DcJEFCubQ/bBiw=";
  +    sha256 = "sha256-spKLPUlUXBmnIo/rnBPUFf72Vxd53xFhh409KzytpkI=";
     };
   
     nativeBuildInputs = [ setuptools-rust ] ++ (with rustPlatform; [ rust.rustc rust.cargo cargoSetupHook ]);
  
positive.code:   cargoDeps = rustPlatform.fetchCargoTarball {
      inherit src;
      name = "${pname}-${version}";
      sha256 = "sha256-tNiBXn32g1PTuTmKNXSac+4PLSc1Ao9n+oAMfvVYR30=";
    };
  
    propagatedBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "qiskit-terra";
    version = "0.20.1";
  
    disabled = pythonOlder "3.7";
  
  