anchor.diff:  
     propagatedBuildInputs = [
       setuptools
  +  ] ++ lib.optionals (pythonOlder "3.8") [
  +    importlib-metadata
     ];
   
     checkInputs = [
  
positive.code:     pytestCheckHook
    ];
  
    meta = with lib; {
      description = "Python humanize utilities";
      homepage = "https://github.com/jmoiron/humanize";
      license = licenses.mit;
      maintainers = with maintainers; [ rmcgibbo ];
    };
  
  }
  
negative.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , freezegun
  , importlib-metadata
  , pytestCheckHook
  , pythonOlder
  , setuptools
  , setuptools-scm
  }:
  
  buildPythonPackage rec {
    version = "4.1.0";
    pname = "humanize";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "python-humanize";
      repo = pname;
      rev = version;
      hash = "sha256-5xL3gfEohDjnF085Pgx/PBXWWM76X4FU2KR+8OGshMw=";
    };
  
    SETUPTOOLS_SCM_PRETEND_VERSION = version;
  