anchor.diff:  { lib
   , aiohttp
  +, backoff
   , buildPythonPackage
   , fetchPypi
   , poetry-core
  
positive.code: 
    propagatedBuildInputs = [
      aiohttp
    ];
  
    # Project has no tests
  
negative.code:   src = fetchPypi {
      pname = "PyPoolstation";
      inherit version;
      sha256 = "sha256-6Fdam/LS3Nicrhe5jHHvaKCpE0HigfOVszjb5c1VM3Y=";
    };
  
    nativeBuildInputs = [
  