mypy: update types

google_takeout_parser/__main__.py

@@ -87,7 +87,7 @@ def shared_options(func: Callable[..., None]) -> Callable[..., None]:
 def _serialize_default(obj: Any) -> Any:
     if isinstance(obj, Exception):
         return {"type": type(obj).__name__, "value": str(obj)}
-    elif dataclasses.is_dataclass(obj):
+    elif dataclasses.is_dataclass(obj) and not isinstance(obj, type):
         d = dataclasses.asdict(obj)  # type: ignore[call-overload]  # see https://github.com/python/mypy/issues/17550
         assert "type" not in d
         d["type"] = type(obj).__name__