anchor.diff:    ];
   
     meta = with lib; {
  +    changelog = "https://github.com/p1c2u/openapi-spec-validator/releases/tag/${version}";
  +    description = "Validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger) and OpenAPI 3.0.0 specification";
       homepage = "https://github.com/p1c2u/openapi-spec-validator";
  -    description = "Validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger) and OpenAPI 3.0.0 specification";
       license = licenses.asl20;
       maintainers = with maintainers; [ rvl ];
     };
  
positive.code: 
  buildPythonPackage rec {
    pname = "openapi-spec-validator";
    version = "0.4.0";
    format = "pyproject";
  
    # no tests via pypi sdist
  
negative.code: , poetry-core
  
  # propagates
  , importlib-resources
  , jsonschema
  , jsonschema-spec
  , lazy-object-proxy
  , openapi-schema-validator
  , pyyaml
  
  