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