core: Cache RunnableLambda deps (#29200)

`RunnableLambda`'s `deps` may do costly OS operation by calling `get_function_nonlocals`. So it's better to cache it. See #29043
langchain-ai · Jan 23, 2025 · 618e550 · 618e550
1 parent f795ab9
commit 618e550
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libs/core/langchain_core/runnables/base.py b/libs/core/langchain_core/runnables/base.py
@@ -4457,7 +4457,7 @@ def get_output_schema(
             module_name=module,
         )
 
-    @property
+    @functools.cached_property
     def deps(self) -> list[Runnable]:
         """The dependencies of this Runnable.