From 913c8b71d9e166c39ceef775d8f123115675722e Mon Sep 17 00:00:00 2001
From: "xzq.xu" <1325732643@qq.com>
Date: Wed, 26 Mar 2025 23:34:38 +0800
Subject: [PATCH] format import

---
 libs/core/langchain_core/tools/base.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/core/langchain_core/tools/base.py b/libs/core/langchain_core/tools/base.py
index 20190f26dd5..6e26e39e8bd 100644
--- a/libs/core/langchain_core/tools/base.py
+++ b/libs/core/langchain_core/tools/base.py
@@ -951,6 +951,7 @@ def _prep_run_args(
                 tool_input = tool_input.copy()
             except Exception:
                 import copy
+
                 tool_input = copy.deepcopy(tool_input)
 
     return (