anchor.diff:    ];
   
     propagatedBuildInputs = [
  +    appdirs
       attrs
  +    bson
       cattrs
       itsdangerous
       pyyaml
  
positive.code: { lib
  , attrs
  , buildPythonPackage
  , cattrs
  , fetchFromGitHub
  , itsdangerous
  
negative.code: 
  buildPythonPackage rec {
    pname = "requests-cache";
    version = "0.8.1";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "reclosedev";
      repo = "requests-cache";
      rev = "v${version}";
      sha256 = "sha256-HzOcPWmvUhqPtb/7Mnw6wWY7a4CwGRwPgq+7QoHJAc8=";
    };
  
    nativeBuildInputs = [
  