From 6c4034420ceb32fbfabf16d1f685dbacc6115906 Mon Sep 17 00:00:00 2001
From: Sydney Runkle <54324534+sydney-runkle@users.noreply.github.com>
Date: Mon, 14 Jul 2025 12:24:49 -0400
Subject: [PATCH] fix(langgraph): remove `ABC` spec for `PregelProtocol`
 (#5485)

---
 libs/langgraph/langgraph/pregel/protocol.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/langgraph/langgraph/pregel/protocol.py b/libs/langgraph/langgraph/pregel/protocol.py
index dce0ef870..654c08fe1 100644
--- a/libs/langgraph/langgraph/pregel/protocol.py
+++ b/libs/langgraph/langgraph/pregel/protocol.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from abc import ABC, abstractmethod
+from abc import abstractmethod
 from collections.abc import AsyncIterator, Iterator, Sequence
 from typing import Any, Generic
 
@@ -14,7 +14,7 @@ from langgraph.typing import InputT, OutputT, StateT
 
 
 # TODO: remove Runnable inheritance here!
-class PregelProtocol(Runnable[InputT, Any], Generic[StateT, InputT, OutputT], ABC):
+class PregelProtocol(Runnable[InputT, Any], Generic[StateT, InputT, OutputT]):
     @abstractmethod
     def with_config(
         self, config: RunnableConfig | None = None, **kwargs: Any