anchor.diff:      owner = "simonw";
       repo = pname;
       rev = "refs/tags/${version}";
  -    hash = "sha256-kzu+ySeAi+nRIJSBSJUQzNHD7KVANlWoi0OWKXkc0/8=";
  +    hash = "sha256-vKOcOSt9vscj5ixrHZGL6PRun/x38JLbni75nw2YAbg=";
     };
   
     propagatedBuildInputs = [
  
positive.code: , pytestCheckHook
  , hypothesis
  , pytest-mock
  }:
  
  buildPythonPackage rec {
    pname = "s3-credentials";
    version = "0.13";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
negative.code:     pytestCheckHook
      hypothesis
      pytest-mock
      moto
    ];
  
    pythonImportsCheck = [
  