anchor.diff:  { lib
   , aiohttp
  +, aresponses
   , buildPythonPackage
   , fetchFromGitHub
   , poetry-core
  +, pytest-asyncio
  +, pytestCheckHook
   , pythonOlder
   , yarl
   }:
  
positive.code:     yarl
    ];
  
    # Project has no tests
    doCheck = false;
  
    pythonImportsCheck = [ "p1monitor" ];
  
  
negative.code:     sha256 = "1ciaclgq4aknldjqlqa08jcab28sbqrjxy5nqqwlnb2wlprg5ijz";
    };
  
    postPatch = ''
      substituteInPlace pyproject.toml \
        --replace '"0.0.0"' '"${version}"' \
        --replace 'addopts = "--cov"' ""
    '';
  
    nativeBuildInputs = [
      poetry-core
    ];
  