anchor.diff:  
   in buildPythonApplication rec {
     pname = "matrix-synapse";
  -  version = "0.34.0.1";
  +  version = "0.34.1.1";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "00mj8gb8yx43frzni7xqxr52xix0vizydbmcnhjb6mnr5w6jafb7";
  +    sha256 = "13jmbcabll3gk0b6yqwfwpc7aymqhpv6iririzskhm4pgbjcp3yk";
     };
   
     patches = [
  
positive.code:     jinja2
      jsonschema
      lxml
      matrix-angular-sdk
      matrix-synapse-ldap3
      msgpack-python
      netaddr
  
negative.code: with python2.pkgs;
  
  let
    matrix-synapse-ldap3 = buildPythonPackage rec {
      pname = "matrix-synapse-ldap3";
      version = "0.1.3";
  