anchor.diff:      owner = "python-attrs";
       repo = pname;
       rev = "v${version}";
  -    hash = "sha256-C8uIsewpgJfB1yYckWTwF5K32+2AAOrxFKB9I18RENg=";
  +    hash = "sha256-Qnrq/mIA/t0mur6IAen4vTmMIhILWS6v5nuf+Via2hA=";
     };
  -
  -  patches = [
  -    (fetchpatch {
  -      url = "https://github.com/python-attrs/cattrs/commit/290d162a589acf10ea63b825b7b283e23ca7698a.diff";
  -      excludes = [ "poetry.lock" ];
  -      hash = "sha256-n6c3qVg9umGKAxeTALq3QTJgO9DIj3SY0ZHhtsDeW94=";
  -    })
  -  ];
   
     nativeBuildInputs = [
       poetry-core
  
positive.code: , attrs
  , buildPythonPackage
  , fetchFromGitHub
  , fetchpatch
  , exceptiongroup
  , hypothesis
  , immutables
  
negative.code: 
  buildPythonPackage rec {
    pname = "cattrs";
    version = "22.2.0";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  