anchor.diff:      owner = "IdentityPython";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "0hwhxz45h8l1b0615hf855z7valfcmm0nb7k31bcj84v68zp5rjs";
  +    sha256 = "1gh74csjk6af23agyigk4id79s4li1xnkmbpp73aqyvlly2kd0b7";
     };
   
     patches = [
       (substituteAll {
         src = ./hardcode-xmlsec1-path.patch;
         inherit xmlsec;
  -    })
  -    # remove on next release
  -    (fetchpatch {
  -      name = "fix-test-dates.patch";
  -      url = "https://github.com/IdentityPython/pysaml2/commit/1d97d2d26f63e42611558fdd0e439bb8a7496a27.patch";
  -      sha256 = "0r6d6hkk6z9yw7aqnsnylii516ysmdsc8dghwmgnwvw6cm7l388p";
       })
     ];
   
  
positive.code: , buildPythonPackage
  , isPy3k
  , fetchFromGitHub
  , fetchpatch
  , substituteAll
  , xmlsec
  , cryptography, defusedxml, future, pyopenssl, dateutil, pytz, requests, six
  , mock, pyasn1, pymongo, pytest, responses
  }:
  
  buildPythonPackage rec {
    pname = "pysaml2";
    version = "5.0.0";
  
    disabled = !isPy3k;
  
  
negative.code:     sed -i 's/2999\(-.*T\)/2029\1/g' tests/*.xml
    '';
  
    propagatedBuildInputs = [
      cryptography
      dateutil
      defusedxml
      importlib-resources
      pyopenssl
      pytz
      requests
      six
      xmlschema
    ];
  
    checkInputs = [ mock pyasn1 pymongo pytest responses ];
  
  