From 69467694ff2cbc229ca6657cc1dcee99fbf33c2f Mon Sep 17 00:00:00 2001
From: Nuno Campos <nuno@langchain.dev>
Date: Wed, 6 Dec 2023 18:17:26 -0800
Subject: [PATCH] Compat with anyio 4.xx

---
 backend/app/stream.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/backend/app/stream.py b/backend/app/stream.py
index b8a4a19e..98ed43aa 100644
--- a/backend/app/stream.py
+++ b/backend/app/stream.py
@@ -23,9 +23,7 @@ class StreamMessagesHandler(BaseCallbackHandler):
     def __init__(self, messages: Sequence[BaseMessage]) -> None:
         self.messages = messages
         self.output: Dict[UUID, ChatGenerationChunk] = {}
-        send_stream, receive_stream = create_memory_object_stream(
-            math.inf, item_type=dict | Exception
-        )
+        send_stream, receive_stream = create_memory_object_stream(math.inf)
         self.send_stream = send_stream
         self.receive_stream = receive_stream