anchor.diff:    pname = "jupyterlab_server";
     version = "2.16.0";
     format = "pyproject";
  -  disabled = pythonOlder "3.6";
  +
  +  disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-0bo0LPfoQ+yyw6Pf4z3hS4Nd+Xiqe0Ecqt3/lacr0so=";
  +    hash = "sha256-0bo0LPfoQ+yyw6Pf4z3hS4Nd+Xiqe0Ecqt3/lacr0so=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
    meta = with lib; {
      description = "A set of server components for JupyterLab and JupyterLab like applications";
      homepage = "https://jupyter.org";
      license = licenses.bsdOriginal;
      maintainers = [ maintainers.costrouc ];
    };
  }
  
negative.code:     babel
      jupyter_server
      tomli
    ] ++ lib.optional (pythonOlder "3.10") [
      importlib-metadata
    ];
  
    checkInputs = [
      openapi-core
  