From c64f2cafa604a02574e05319da8ae284d621da78 Mon Sep 17 00:00:00 2001
From: LuizFelipeVVAlves <158202066+LuizFelipeVVAlves@users.noreply.github.com>
Date: Thu, 6 Nov 2025 15:12:26 -0300
Subject: [PATCH 1/3] Comment out channels assignment in swarm.py

Compatibility with LangGraph 1.0
---
 langgraph_swarm/swarm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/langgraph_swarm/swarm.py b/langgraph_swarm/swarm.py
index d389d4b..d3917d3 100644
--- a/langgraph_swarm/swarm.py
+++ b/langgraph_swarm/swarm.py
@@ -127,7 +127,7 @@ def add(a: int, b: int) -> int:
         ```
 
     """
-    channels = builder.schemas[builder.state_schema]
+    #channels = builder.schemas[builder.state_schema]
     if "active_agent" not in channels:
         msg = "Missing required key 'active_agent' in in builder's state_schema"
         raise ValueError(msg)

From c02f2ca1ee2465c36cba562e0a31908b527bed96 Mon Sep 17 00:00:00 2001
From: LuizFelipeVVAlves <158202066+LuizFelipeVVAlves@users.noreply.github.com>
Date: Thu, 6 Nov 2025 15:23:10 -0300
Subject: [PATCH 2/3] Update dependency version ranges in pyproject.toml

---
 pyproject.toml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index a37af6b..099d696 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,8 +14,8 @@ license-files = ["LICENSE"]
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-    "langgraph>=0.6.0,<0.7.0",
-    "langchain-core>=0.3.40,<0.4.0"
+    "langgraph>=0.6.0,<2.0.0",
+    "langchain-core>=0.3.40,<2.0.0"
 ]
 
 [dependency-groups]

From f87b4f75b83a81eb9cb287ff0a757f7d187e2a00 Mon Sep 17 00:00:00 2001
From: LuizFelipeVVAlves <158202066+LuizFelipeVVAlves@users.noreply.github.com>
Date: Thu, 6 Nov 2025 15:32:04 -0300
Subject: [PATCH 3/3] Fix channel key check for active_agent

channels now is an attribute of builder
---
 langgraph_swarm/swarm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/langgraph_swarm/swarm.py b/langgraph_swarm/swarm.py
index d3917d3..8738b82 100644
--- a/langgraph_swarm/swarm.py
+++ b/langgraph_swarm/swarm.py
@@ -128,7 +128,7 @@ def add(a: int, b: int) -> int:
 
     """
     #channels = builder.schemas[builder.state_schema]
-    if "active_agent" not in channels:
+    if "active_agent" not in builder.channels:
         msg = "Missing required key 'active_agent' in in builder's state_schema"
         raise ValueError(msg)