From 33766eb2ffe4935f0c3c6f52a61bb3a6819ce22c Mon Sep 17 00:00:00 2001
From: Zapiron <125368863+DangerousPotential@users.noreply.github.com>
Date: Wed, 2 Apr 2025 22:37:51 +0800
Subject: [PATCH] docs: add missing MemorySaver import for unexpanded example
 (#4133)

Import `MemorySaver` for the code to run without expanding the example

---------

Co-authored-by: Eugene Yurtsev <eugene@langchain.dev>
---
 docs/docs/concepts/functional_api.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/docs/concepts/functional_api.md b/docs/docs/concepts/functional_api.md
index 1a44f249b..d6a3ebb1f 100644
--- a/docs/docs/concepts/functional_api.md
+++ b/docs/docs/concepts/functional_api.md
@@ -23,9 +23,11 @@ This provides a minimal abstraction for building workflows with state management
 Below we demonstrate a simple application that writes an essay and [interrupts](human_in_the_loop.md) to request human review.
 
 ```python
+from langgraph.checkpoint.memory import MemorySaver
 from langgraph.func import entrypoint, task
 from langgraph.types import interrupt
 
+
 @task
 def write_essay(topic: str) -> str:
     """Write an essay about the given topic."""