anchor.diff:      ./use-poetry-core.patch
     ];
   
  -  nativeBuildInputs = [ poetry-core ];
  +  nativeBuildInputs = [
  +    poetry-core
  +  ];
   
     propagatedBuildInputs = [
       inflection
       pendulum
       fastjsonschema
       orjson
  +    future-typing
  +  ] ++ lib.optionals (pythonOlder "3.10") [
       typing-extensions
  -    future-typing
     ];
   
     checkInputs = [
  
positive.code:   ];
  
    disabledTests = [
      "test_ujson" # We use orjson
    ];
  
    disabledTestPaths = [
      "benchmark/"
    ];
  
    pythonImportsCheck = [ "typic" ];
  
    meta = with lib; {
      homepage = "https://python-typical.org/";
      description = "Typical: Python's Typing Toolkit.";
      license = licenses.mit;
      maintainers = with maintainers; [ kfollesdal ];
    };
  
negative.code: { lib
  , buildPythonPackage
  , fastjsonschema
  , fetchFromGitHub
  , future-typing
  , inflection
  , mypy
  , orjson
  , pandas
  , pendulum
  , poetry-core
  , pydantic
  , pytestCheckHook
  , pythonOlder
  , sqlalchemy
  , typing-extensions
  }:
  
  buildPythonPackage rec {
    pname = "typical";
    version = "2.7.9";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "seandstewart";
  