From e343aec97bb221d626a9b4232d1327397c564b71 Mon Sep 17 00:00:00 2001
From: Nuno Campos <nuno@langchain.dev>
Date: Wed, 20 Dec 2023 15:21:05 -0800
Subject: [PATCH] Try removing ABC from child class

---
 libs/langchain/langchain/chains/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/langchain/langchain/chains/base.py b/libs/langchain/langchain/chains/base.py
index dc0822fc066..931e2584779 100644
--- a/libs/langchain/langchain/chains/base.py
+++ b/libs/langchain/langchain/chains/base.py
@@ -672,7 +672,7 @@ class Chain(RunnableSerializable[Dict[str, Any], Dict[str, Any]], ABC):
         return [self(inputs, callbacks=callbacks) for inputs in input_list]
 
 
-class RunnableChain(Chain, ABC):
+class RunnableChain(Chain):
     @abstractmethod
     def as_runnable(self) -> Runnable:
         ...