anchor.diff:  
   buildPythonApplication rec {
     pname = "trytond";
  -  version = "6.0.8";
  -  disabled = pythonOlder "3.5";
  +  version = "6.2.0";
  +  format = "setuptools";
  +
  +  disabled = pythonOlder "3.6";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "686d498f9648875f48edc9fc2e97cd465ed4ea9270c4984b6f2db20a2eac4942";
  +    sha256 = "sha256-U73dzLTUJnOw24/ELQzjnxJ0PvjV+zE/PNuQHXbEukw=";
     };
   
     # Tells the tests which database to use
  
positive.code:     python-sql
      werkzeug
      wrapt
      passlib
  
      # extra dependencies
  
negative.code:   buildInputs = [
      mock
    ];
  
    propagatedBuildInputs = [
      lxml
      relatorio
  