anchor.diff:  
     propagatedBuildInputs = [
       aiohttp
  +    backoff
     ];
   
     # Project has no tests
  
positive.code:   src = fetchPypi {
      pname = "PyPoolstation";
      inherit version;
      sha256 = "sha256-cf2KUdvsuC7fplg7O9Jqqb86rOjNicV+vGVBwWvvs90=";
    };
  
    nativeBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "pypoolstation";
    version = "0.4.8";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  