anchor.diff:    ];
   
     propagatedBuildInputs = [
  -    aiohttp
  +    httpx
       lxml
     ];
  +
  +  # requires pytest-httpx
  +  doCheck = false;
   
     checkInputs = [
       pytest
       pytestcov
       pytest-asyncio
       pytest-mock
  -    pytest-aiohttp
  +    # pytest-httpx is missing
       aresponses
     ];
     checkPhase = ''
  
positive.code: { lib, buildPythonPackage, fetchFromGitHub
  , flit
  , lxml, aiohttp
  , pytest, pytestcov, pytest-asyncio, pytest-mock, pytest-aiohttp, aresponses
  , pythonOlder
  }:
  
  buildPythonPackage rec {
    pname = "PyRMVtransport";
    version = "0.2.9";
    format = "pyproject";
    disabled = pythonOlder "3.6";
  
  
negative.code:     owner = "cgtobi";
      repo = pname;
      rev = "v${version}";
      sha256 = "03qrylidb1d6zw6a22d1drdf73cvfxqcqaa8qi8x4pli1axcfh5w";
    };
  
    nativeBuildInputs = [
  