anchor.diff:  buildPythonPackage rec {
     pname = "discord.py";
     version = "1.7.3";
  +  format = "setuptools";
  +
     disabled = pythonOlder "3.8";
   
     src = fetchFromGitHub {
  
positive.code:   patchPhase = ''
      substituteInPlace "discord/opus.py" \
        --replace "ctypes.util.find_library('opus')" "'${libopus}/lib/libopus.so.0'"
    '';
  
    # Only have integration tests with discord
  
negative.code:   meta = with lib; {
      description = "Python wrapper for the Discord API";
      homepage = "https://discordpy.rtfd.org/";
      license = licenses.mit;
      maintainers = with maintainers; [ ivar ];
    };
  }
  