anchor.diff:  
     format = "pyproject";
   
  -  nativeBuildInputs = [ poetry ];
  +  nativeBuildInputs = [
  +    poetry-core
  +  ];
   
     propagatedBuildInputs = [
       aiohttp
  
positive.code:     pytestCheckHook
    ];
  
    # Ignore the examples as they are prefixed with test_
    pytestFlagsArray = [ "--ignore examples/" ];
    pythonImportsCheck = [ "aioguardian" ];
  
    meta = with lib; {
  
negative.code: , asynctest
  , buildPythonPackage
  , fetchFromGitHub
  , poetry-core
  , pytest-aiohttp
  , pytest-asyncio
  , pytestCheckHook
  