anchor.diff:      owner = "HypothesisWorks";
       repo = "hypothesis";
       rev = "hypothesis-python-${version}";
  -    hash = "sha256-eQ7Ns0k1hOVw8/xiINMei6GbQqDHXrBl+1v8YQeFO9Q=";
  +    hash = "sha256-G7OXlYaCPBfdXtmX/f/6i2LRCZZk5yvzhLc6sissuRo=";
     };
   
     postUnpack = "sourceRoot=$sourceRoot/hypothesis-python";
  
positive.code: { lib
  , buildPythonPackage
  , pythonAtLeast
  , fetchFromGitHub
  , attrs
  , pexpect
  , doCheck ? true
  , pytestCheckHook
  
negative.code:   propagatedBuildInputs = [
      attrs
      sortedcontainers
    ] ++ lib.optionals (pythonOlder "3.11") [
      exceptiongroup
    ];
  
    checkInputs = [
  