diff --git a/libs/core/langchain_core/runnables/utils.py b/libs/core/langchain_core/runnables/utils.py index 06168a176d0a3..a81ca7615a66f 100644 --- a/libs/core/langchain_core/runnables/utils.py +++ b/libs/core/langchain_core/runnables/utils.py @@ -388,6 +388,7 @@ def get_lambda_source(func: Callable) -> Optional[str]: return name +@lru_cache(maxsize=256) def get_function_nonlocals(func: Callable) -> list[Any]: """Get the nonlocal variables accessed by a function.