anchor.diff:  { lib
   , aiohttp
   , aresponses
  +, asynctest
   , buildPythonPackage
   , fetchFromGitHub
   , poetry-core
  
positive.code:     owner = "klaasnicolaas";
      repo = "python-omnikinverter";
      rev = "v${version}";
      sha256 = "sha256-IiU7nhwH0Mc6s+g9WtJugpORuL0qGNJFKDY5hvxIZAU=";
    };
  
    nativeBuildInputs = [
  
negative.code: 
    checkInputs = [
      aresponses
      asynctest
      pytest-asyncio
      pytestCheckHook
    ];
  