From b82ad19ed25815f381fa59b719e21fb11c49d377 Mon Sep 17 00:00:00 2001
From: William FH <13333726+hinthornw@users.noreply.github.com>
Date: Wed, 30 Aug 2023 15:30:22 -0700
Subject: [PATCH] Check memory address (#9971)

Don't want to dup the collector but can have multiple
---
 libs/langchain/langchain/callbacks/manager.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libs/langchain/langchain/callbacks/manager.py b/libs/langchain/langchain/callbacks/manager.py
index 2f7a7fad478..52832338fcb 100644
--- a/libs/langchain/langchain/callbacks/manager.py
+++ b/libs/langchain/langchain/callbacks/manager.py
@@ -1799,6 +1799,9 @@ def _configure(
             for handler in callback_manager.handlers
         ):
             callback_manager.add_handler(open_ai, True)
-    if run_collector_ is not None:
+    if run_collector_ is not None and not any(
+        handler is run_collector_  # direct pointer comparison
+        for handler in callback_manager.handlers
+    ):
         callback_manager.add_handler(run_collector_, False)
     return callback_manager