anchor.diff:  
   in buildPythonApplication rec {
     pname = "matrix-synapse";
  -  version = "0.99.5.2";
  +  version = "1.0.0";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "0c1kf9zq7cg9scwnvph4vwk449gypbprmdjzrzrg0wp1rcc8h3gn";
  +    sha256 = "1n8hv0zd818z4fx39yz6svb07zsbrh8fd6wfmgvhdxhp6p1vl0wq";
     };
   
     patches = [
  
positive.code:     unpaddedbase64
    ] ++ lib.optional enableSystemd systemd;
  
    checkInputs = [ mock parameterized ];
  
    checkPhase = ''
      PYTHONPATH=".:$PYTHONPATH" ${python3.interpreter} -m twisted.trial tests
  
negative.code: { lib, stdenv, python3, openssl
  , enableSystemd ? stdenv.isLinux
  }:
  
  