anchor.diff:      anyio
     ];
   
  -  preCheck = ''
  -    rm -rf watchfiles
  -  '';
  -
     checkInputs = [
       dirty-equals
       pytest-mock
  
positive.code: { stdenv
  , lib
  , anyio
  , buildPythonPackage
  , fetchFromGitHub
  
negative.code:     pytestCheckHook
    ];
  
    postPatch = ''
      sed -i "/^requires-python =.*/a version = '${version}'" pyproject.toml
    '';
  
    preCheck = ''
      rm -rf watchfiles
    '';
  
    pythonImportsCheck = [
      "watchfiles"
    ];
  
    meta = with lib; {
      description = "File watching and code reload";
      homepage = "https://watchfiles.helpmanual.io/";
      license = licenses.mit;
      maintainers = with maintainers; [ fab ];
      broken = stdenv.isDarwin;
    };
  }
  