anchor.diff:        url = "https://github.com/mahmoud/boltons/commit/270e974975984f662f998c8f6eb0ebebd964de82.patch";
         sha256 = "sha256-pZLfr6SRCw2aLwZeYaX7bzfJeZC4cFUILEmnVsKR6zc=";
       })
  -  ];
  -
  -  disabledTests = [
  -    # This test is broken without this PR. Merged but not released
  -    # https://github.com/mahmoud/boltons/pull/283
  -    "test_frozendict"
     ];
   
     pythonImportsCheck = [
  
positive.code:     owner = "mahmoud";
      repo = "boltons";
      rev = version;
      hash = "sha256-iCueZsi/gVbko7MW43vaUQMWRVI/YhmdfN29gD6AgG8=";
    };
  
    checkInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "boltons";
    version = "21.0.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  