anchor.diff:  
   buildPythonPackage rec {
     pname = "rokuecp";
  -  version = "0.15.0";
  +  version = "0.16.0";
     format = "pyproject";
   
     disabled = pythonOlder "3.9";
  
positive.code: , buildPythonPackage
  , cachetools
  , fetchFromGitHub
  , poetry
  , pytest-asyncio
  , pytestCheckHook
  , pythonOlder
  
negative.code:     owner = "ctalkington";
      repo = "python-rokuecp";
      rev = version;
      hash = "sha256-MeugjIZorwO8d0Yb7bthI6f4NNo6GX9JrRbxrVSdWv0=";
    };
  
    nativeBuildInputs = [
      poetry-core
    ];
  
    propagatedBuildInputs = [
  