anchor.diff:      sha256 = "1ciaclgq4aknldjqlqa08jcab28sbqrjxy5nqqwlnb2wlprg5ijz";
     };
   
  +  postPatch = ''
  +    substituteInPlace pyproject.toml \
  +      --replace '"0.0.0"' '"${version}"' \
  +      --replace 'addopts = "--cov"' ""
  +  '';
  +
     nativeBuildInputs = [
       poetry-core
     ];
  
positive.code: { lib
  , aiohttp
  , buildPythonPackage
  , fetchFromGitHub
  , poetry-core
  , pythonOlder
  , yarl
  }:
  
negative.code:     yarl
    ];
  
    checkInputs = [
      aresponses
      pytest-asyncio
      pytestCheckHook
    ];
  
    pythonImportsCheck = [ "p1monitor" ];
  
  