From 3c36d2e2c8ecc1292b415bf9334a928aa3482425 Mon Sep 17 00:00:00 2001
From: Sydney Runkle <sydneymarierunkle@gmail.com>
Date: Wed, 3 Sep 2025 15:27:13 -0400
Subject: [PATCH] initial test for swarm

---
 libs/langgraph/langgraph/agent/middleware/swarm.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/langgraph/langgraph/agent/middleware/swarm.py b/libs/langgraph/langgraph/agent/middleware/swarm.py
index 82be98549..feed59d6c 100644
--- a/libs/langgraph/langgraph/agent/middleware/swarm.py
+++ b/libs/langgraph/langgraph/agent/middleware/swarm.py
@@ -24,6 +24,7 @@ class SwarmMiddleware(AgentMiddleware):
       * handoff tool naming / descriptions
     """
 
+    @dataclass
     class State(AgentMiddleware.State):
         active_agent: str | None = None