anchor.diff:      pytestCheckHook
     ];
   
  -  pythonImportsCheck = [ "yamale" ];
  +  pythonImportsCheck = [
  +    "yamale"
  +  ];
   
     meta = with lib; {
       description = "A schema and validator for YAML";
  
positive.code: 
  buildPythonPackage rec {
    pname = "yamale";
    version = "3.0.8";
  
    disabled = pythonOlder "3.6";
  
  
negative.code:     owner = "23andMe";
      repo = pname;
      rev = version;
      sha256 = "sha256-hFBU3o3HpL0Schgzcx3oYq0IAUVGKThIfEteYcFbLnk=";
    };
  
    propagatedBuildInputs = [
  