From 40aff1eacc305105c01f6f5e8bcec95cd5026078 Mon Sep 17 00:00:00 2001
From: adreo00 <22608380+adreo00@users.noreply.github.com>
Date: Mon, 13 May 2024 13:09:12 -0600
Subject: [PATCH] core[major]: AsyncCallbackManagerForToolRun no longer casts
 return object to string (#20374)

- **Description:** Stops `AsyncCallbackManagerForToolRun` from
converting the output to str
- **Issue:** #20372
- **Dependencies:** None
---
 libs/core/langchain_core/callbacks/manager.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libs/core/langchain_core/callbacks/manager.py b/libs/core/langchain_core/callbacks/manager.py
index a1108ca5b48..db1e6faa493 100644
--- a/libs/core/langchain_core/callbacks/manager.py
+++ b/libs/core/langchain_core/callbacks/manager.py
@@ -1045,7 +1045,6 @@ class AsyncCallbackManagerForToolRun(AsyncParentRunManager, ToolManagerMixin):
         Args:
             output (Any): The output of the tool.
         """
-        output = str(output)
         await ahandle_event(
             self.handlers,
             "on_tool_end",