From 5787258a637ef569ec38e6e3eacca747e0b6f699 Mon Sep 17 00:00:00 2001 From: Sydney Runkle Date: Tue, 28 Apr 2026 17:58:49 -0400 Subject: [PATCH] fix(checkpoint-postgres): remove unused _DeltaSnapshot import Co-Authored-By: Claude Sonnet 4.6 (1M context) --- libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py b/libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py index 57862ae66..098ac3c7a 100644 --- a/libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py +++ b/libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py @@ -16,7 +16,7 @@ from langgraph.checkpoint.base import ( _ChannelWritesHistory, get_checkpoint_id, ) -from langgraph.checkpoint.serde.types import TASKS, _DeltaSnapshot +from langgraph.checkpoint.serde.types import TASKS from psycopg.types.json import Jsonb MetadataInput = dict[str, Any] | None