anchor.diff:  
     propagatedBuildInputs = [
       aiohttp
  +    awesomeversion
       backoff
  -    packaging
  +    cachetools
       yarl
     ];
   
  
positive.code:     owner = "frenck";
      repo = "python-wled";
      rev = "v${version}";
      sha256 = "1jhykilb81sp1srxk91222qglwdlr993ssvgfnl837nbcx6ws1hw";
    };
  
    nativeBuildInputs = [
  
negative.code: , pythonOlder
  , fetchFromGitHub
  , aiohttp
  , awesomeversion
  , backoff
  , cachetools
  , poetry-core
  , yarl
  , aresponses
  , pytest-asyncio
  