anchor.diff:    checkInputs = [
       mock
       parameterized
  +    pytest-env
       pytestCheckHook
       pyyaml
     ];
  
positive.code:     owner = "aws";
      repo = "serverless-application-model";
      rev = "v${version}";
      sha256 = "sha256-pjcRsmxPL4lbgDopW+wKQRkRcqebLPTd95JTL8PiWtc=";
    };
  
    propagatedBuildInputs = [
  
negative.code: , jsonschema
  , mock
  , parameterized
  , pytest-env
  , pytestCheckHook
  , pythonOlder
  , pyyaml
  