Merge pull request #2562 from langchain-ai/nc/27nov/revert-sdk

Revert "sdk-py: Fix SSE parsing to split lines only \n \r \r\n per SSE spec"

libs/sdk-py/langgraph_sdk/client.py

@@ -59,7 +59,6 @@
     ThreadStatus,
     ThreadUpdateStateResponse,
 )
-from langgraph_sdk.sse import EventSource
 
 logger = logging.getLogger(__name__)
 
@@ -293,7 +292,7 @@ async def stream(
                 else:
                     logger.error(f"Error from langgraph-api: {body}", exc_info=e)
                 raise e
-            async for event in EventSource(sse.response).aiter_sse():
+            async for event in sse.aiter_sse():
                 yield StreamPart(
                     event.event, orjson.loads(event.data) if event.data else None
                 )
@@ -2427,7 +2426,7 @@ def stream(
                 else:
                     logger.error(f"Error from langgraph-api: {body}", exc_info=e)
                 raise e
-            for event in EventSource(sse.response).iter_sse():
+            for event in sse.iter_sse():
                 yield StreamPart(
                     event.event, orjson.loads(event.data) if event.data else None
                 )

libs/sdk-py/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-sdk"
-version = "0.1.38"
+version = "0.1.39"
 description = "SDK for interacting with LangGraph API"
 authors = []
 license = "MIT"