anchor.diff:    pname = "yamale";
     version = "3.0.8";
   
  -  disabled = !isPy3k;
  +  disabled = pythonOlder "3.6";
   
     src = fetchFromGitHub {
       owner = "23andMe";
  
positive.code:   ];
  
    checkInputs = [
      pytest
    ];
    pythonImportsCheck = [ "yamale" ];
  
    meta = with lib; {
  
negative.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , pythonOlder
  , pytestCheckHook
  , pyyaml
  , ruamel_yaml
  }:
  