anchor.diff:  , setuptools
   , pyopenssl
   , cryptography
  +, mock
  +, pytestCheckHook
   }:
   
   buildPythonPackage rec {
  
positive.code:     sha256 = "0aab1c3ceffe045e7fd5bcfe7685e27e9d2758518d9ba7116b5de34087e70bf5";
    };
  
    propagatedBuildInputs = [
      pyopenssl
      cryptography
  
negative.code:     setuptools
    ];
  
    checkInputs = [
      mock
      pytestCheckHook
    ];
  
    meta = with lib; {
      description = "JOSE protocol implementation in Python";
  