anchor.diff:  
   buildPythonPackage rec {
     pname = "datasette";
  -  version = "0.58.1";
  +  version = "0.59";
  +
     disabled = pythonOlder "3.6";
   
     src = fetchFromGitHub {
       owner = "simonw";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-dtKqp7LV1fRjwOMAlmmAnC19j8hLA1oixGextATW6z0=";
  +    sha256 = "sha256-sr4sUDNdkFhPWbtLjzMGxo6vC+mlnAM1G+RUuh75tbg=";
     };
   
     nativeBuildInputs = [ pytest-runner ];
  
positive.code:       --replace "pint~=0.9" "pint" \
        --replace "pluggy~=0.13.0" "pluggy" \
        --replace "uvicorn~=0.11" "uvicorn" \
        --replace "PyYAML~=5.3" "PyYAML"
    '';
  
    # takes 30-180 mins to run entire test suite, not worth the CPU resources, slows down reviews
  
negative.code:     description = "Multi-tool for exploring and publishing data";
      homepage = "https://datasette.io/";
      license = licenses.asl20;
      maintainers = with maintainers; [ costrouc ];
    };
  }
  