langgraph-checkpoint-aws: release 0.1.1 (#578)

Fixes: #546 

This is a patch release to unblock usage of `langgraph-checkpoint-aws`
with LangGraph >=0.5.

A more comprehensive update for LangGraph >=0.5 compatibility is pending
investigation with
#550.

Author: michaelnchin

libs/langgraph-checkpoint-aws/langgraph_checkpoint_aws/__init__.py

@@ -2,5 +2,5 @@
 LangGraph Checkpoint AWS - A LangChain checkpointer implementation using Bedrock Session Management Service.
 """
 
-__version__ = "0.1.0"
+__version__ = "0.1.1"
 SDK_USER_AGENT = f"LangGraphCheckpointAWS#{__version__}"

libs/langgraph-checkpoint-aws/langgraph_checkpoint_aws/utils.py

@@ -262,7 +262,7 @@ def create_session_checkpoint(
     checkpoint_copy = checkpoint.copy()
 
     # Remove pending sends as they are handled separately
-    checkpoint_copy.pop("pending_sends")
+    checkpoint_copy.pop("pending_sends", None)
 
     # Extract required config values
     thread_id = config["configurable"]["thread_id"]