self: super: rec {

  python38 = with super; super.python38.override { };

  pythonPackages = python38.pkgs;

  rfd = with self;
    pythonPackages.buildPythonApplication rec {
      pname = "rfd";
      version = "v0.6.0";

      src = fetchFromGitHub {
        owner = "davegallant";
        repo = "rfd";
        rev = version;
        hash = "sha256:0cllhbca4dykl6j8snmml4kk6kzamlzhcrdf49f5v0zk7zljgkl1";
      };

      postPatch = ''
        substituteInPlace requirements.txt --replace "soupsieve<=2.0" "soupsieve"
        substituteInPlace requirements.txt --replace "beautifulsoup4<=4.8.2" "beautifulsoup4"
      '';

      # No tests included
      doCheck = false;

      propagatedBuildInputs = with pythonPackages; [
        beautifulsoup4
        click
        colorama
        requests
        soupsieve
      ];

      passthru.python3 = python3;

      meta = with super.lib; {
        homepage = "https://www.redflagdeals.com/";
        description = "View RedFlagDeals from the command line";
        license = licenses.asl20;
        maintainers = [ ];
      };
    };
}