From d3072e2d2e821b04b927fc343bbac85015fc45f6 Mon Sep 17 00:00:00 2001
From: efj-amzn <efj@amazon.com>
Date: Wed, 16 Jul 2025 14:11:56 -0700
Subject: [PATCH] feat(core): update `_import_utils.py` to not mask the thrown
 exception (#32071)

---
 libs/core/langchain_core/_import_utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/core/langchain_core/_import_utils.py b/libs/core/langchain_core/_import_utils.py
index 6c1d99a3f4d..6f4d0a5df2b 100644
--- a/libs/core/langchain_core/_import_utils.py
+++ b/libs/core/langchain_core/_import_utils.py
@@ -27,8 +27,8 @@ def import_attr(
     else:
         try:
             module = import_module(f".{module_name}", package=package)
-        except ModuleNotFoundError:
-            msg = f"module '{package!r}.{module_name!r}' not found"
+        except ModuleNotFoundError as err:
+            msg = f"module '{package!r}.{module_name!r}' not found ({err})"
             raise ImportError(msg) from None
         result = getattr(module, attr_name)
     return result