anchor.diff:  
   buildPythonPackage rec {
     pname = "pytest-aiohttp";
  -  version = "1.0.3";
  +  version = "1.0.4";
  +
  +  format = "setuptools";
   
     src = fetchPypi {
       inherit pname version;
  -    hash = "sha256-DI/rSNyOuAhw4rFTrK9iu7zCB5d+vLdDZf/P4WrcnxU=";
  +    sha256 = "39ff3a0d15484c01d1436cbedad575c6eafbf0f57cdf76fb94994c97b5b8c5a4";
     };
  -
  -  patches = [
  -    # https://github.com/aio-libs/pytest-aiohttp/pull/26
  -    (fetchpatch {
  -      name = "fix-tests-with-pytest-asyncio-0.18.0.patch";
  -      url = "https://github.com/aio-libs/pytest-aiohttp/commit/97152c2dfdd368f799ec6bcb5fc315736a726f53.patch";
  -      hash = "sha256-g7MTyCKUHnufOfrbhVV58WtfbGt1uXx8F7U9U+EaXfg=";
  -    })
  -  ];
   
     nativeBuildInputs = [
       setuptools-scm
     ];
   
  +  SETUPTOOLS_SCM_PRETEND_VERSION = version;
  +
  +  buildInputs = [
  +    pytest
  +  ];
  +
     propagatedBuildInputs = [
       aiohttp
  -    pytest
       pytest-asyncio
     ];
   
  
positive.code: 
    meta = with lib; {
      homepage = "https://github.com/aio-libs/pytest-aiohttp/";
      description = "Pytest plugin for aiohttp support";
      license = licenses.asl20;
      maintainers = with maintainers; [ dotlambda ];
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , setuptools-scm
  , aiohttp
  , pytest
  