ci: Enable mypy checks for checkpoint-sqlite lib

libs/checkpoint-sqlite/langgraph/checkpoint/sqlite/__init__.py

@@ -31,7 +31,7 @@ _AIO_ERROR_MSG = (
 )
 
 
-class SqliteSaver(BaseCheckpointSaver):
+class SqliteSaver(BaseCheckpointSaver[str]):
     """A checkpoint saver that stores checkpoints in a SQLite database.
 
     Note:
@@ -487,6 +487,7 @@ class SqliteSaver(BaseCheckpointSaver):
         config: RunnableConfig,
         checkpoint: Checkpoint,
         metadata: CheckpointMetadata,
+        new_versions: ChannelVersions,
     ) -> RunnableConfig:
         """Save a checkpoint to the database asynchronously.
 

libs/checkpoint-sqlite/langgraph/checkpoint/sqlite/aio.py

@@ -4,6 +4,7 @@ from contextlib import asynccontextmanager
 from typing import (
     Any,
     AsyncIterator,
+    Callable,
     Dict,
     Iterator,
     List,
@@ -30,10 +31,10 @@ from langgraph.checkpoint.serde.jsonplus import JsonPlusSerializer
 from langgraph.checkpoint.serde.types import ChannelProtocol
 from langgraph.checkpoint.sqlite.utils import search_where
 
-T = TypeVar("T", bound=callable)
+T = TypeVar("T", bound=Callable)
 
 
-class AsyncSqliteSaver(BaseCheckpointSaver):
+class AsyncSqliteSaver(BaseCheckpointSaver[str]):
     """An asynchronous checkpoint saver that stores checkpoints in a SQLite database.
 
     This class provides an asynchronous interface for saving and retrieving checkpoints