anchor.diff:      pytestCheckHook
     ];
   
  -  postPatch = ''
  -    substituteInPlace requirements.txt \
  -      --replace "jinja2<3.0" "jinja2"
  -  '';
  -
     pythonImportsCheck = [
       "aiohttp_apispec"
     ];
  
positive.code:     owner = "maximdanilchenko";
      repo = pname;
      rev = "v${version}";
      hash = "sha256-LGdi5ZhJ1G0GxUJVBZnwW3Q+x3Yo9FRV9b6REPlq7As=";
    };
  
    propagatedBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "aiohttp-apispec";
    version = "3.0.0b2";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  