anchor.diff:  
   buildPythonPackage rec {
     pname = "rtoml";
  -  version = "0.7";
  +  version = "0.8";
   
     disabled = pythonOlder "3.7";
   
  
positive.code:     owner = "samuelcolvin";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-h4vY63pDkrMHt2X244FssLxHsphsfjNd6gnVFUeZZTY=";
    };
  
    cargoDeps = rustPlatform.fetchCargoTarball {
      inherit src;
      name = "${pname}-${version}";
      sha256 = "05fwcs6w023ihw3gyihzbnfwjaqy40d6h0z2yas4kqkkvz9x4f8j";
    };
  
    nativeBuildInputs = with rustPlatform; [
  
negative.code:     cd tests
    '';
  
    meta = with lib; {
      description = "Rust based TOML library for Python";
      homepage = "https://github.com/samuelcolvin/rtoml";
  