From d7a0da8f06d1115d23aa55b27626b443d4e0567c Mon Sep 17 00:00:00 2001
From: William FH <13333726+hinthornw@users.noreply.github.com>
Date: Sat, 26 Apr 2025 13:57:36 -0700
Subject: [PATCH] checkpointer: Enter stack for blobs dict in InMemorySaver
 (#4419)

---
 libs/checkpoint/langgraph/checkpoint/memory/__init__.py | 1 +
 libs/checkpoint/pyproject.toml                          | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/checkpoint/langgraph/checkpoint/memory/__init__.py b/libs/checkpoint/langgraph/checkpoint/memory/__init__.py
index f73b5c746..b4b263239 100644
--- a/libs/checkpoint/langgraph/checkpoint/memory/__init__.py
+++ b/libs/checkpoint/langgraph/checkpoint/memory/__init__.py
@@ -93,6 +93,7 @@ class InMemorySaver(
         if factory is not defaultdict:
             self.stack.enter_context(self.storage)  # type: ignore[arg-type]
             self.stack.enter_context(self.writes)  # type: ignore[arg-type]
+            self.stack.enter_context(self.blobs)  # type: ignore[arg-type]
 
     def __enter__(self) -> "InMemorySaver":
         return self.stack.__enter__()
diff --git a/libs/checkpoint/pyproject.toml b/libs/checkpoint/pyproject.toml
index 049596e72..746054b40 100644
--- a/libs/checkpoint/pyproject.toml
+++ b/libs/checkpoint/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-checkpoint"
-version = "2.0.24"
+version = "2.0.25"
 description = "Library with base interfaces for LangGraph checkpoint savers."
 authors = []
 license = "MIT"