chore: revert ServerSentEventIterator

Author: winstxnhdw

litestar/response/sse.py

@@ -19,7 +19,7 @@
 DEFAULT_SEPARATOR = "\r\n"
 
 
-class ServerSentEventIterator(AsyncIteratorWrapper[bytes, None]):
+class _ServerSentEventIterator(AsyncIteratorWrapper[bytes, None]):
     __slots__ = ("comment_message", "content_async_iterator", "event_id", "event_type", "retry_duration")
 
     content_async_iterator: AsyncGenerator[SSEData]
@@ -164,7 +164,7 @@ def __init__(
             comment_message: A comment message. This value is ignored by clients and is used mostly for pinging.
         """
         super().__init__(
-            content=ServerSentEventIterator(
+            content=_ServerSentEventIterator(
                 content=content,
                 event_type=event_type,
                 event_id=event_id,

litestar/utils/sync.py

@@ -69,7 +69,7 @@ def __call__(self, *args: P.args, **kwargs: P.kwargs) -> Awaitable[T]:  # type:
 class AsyncIteratorWrapper(AsyncGenerator[T, S]):
     """Asynchronous generator, wrapping an iterable or iterator."""
 
-    __slots__ = ("_original_iterator", "generator", "iterator")
+    __slots__ = ("_original_generator", "generator", "iterator")
 
     def __init__(self, iterable: Iterable[T]) -> None:
         """Take a sync iterator or iterable and yields values from it asynchronously.