anchor.diff:  { lib
   , buildPythonPackage
  -, fetchPypi
  +, fetchFromGitHub
   , pythonOlder
   , aiohttp
   , pytestCheckHook
  
positive.code:     pytest-aiohttp
    ];
  
    pythonImportsCheck = [ "aiojobs" ];
  
    meta = with lib; {
      homepage = "https://github.com/aio-libs/aiojobs";
      description = "Jobs scheduler for managing background task (asyncio)";
      license = licenses.asl20;
      maintainers = with maintainers; [ cmcdragonkai ];
    };
  
negative.code: 
  buildPythonPackage rec {
    pname = "aiojobs";
    version = "1.0.0";
    format = "flit";
  
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "aio-libs";
      repo = pname;
      rev = "v${version}";
      sha256 = "EQwD0b2B9qFVd/8thKInaio0hpPzvVIjvCN0TcARu2w=";
    };
  
    nativeBuildInputs = [
  