diff --git a/langgraph/checkpoint/mysql/base.py b/langgraph/checkpoint/mysql/base.py
index 9cdddde..8eb7c5e 100644
--- a/langgraph/checkpoint/mysql/base.py
+++ b/langgraph/checkpoint/mysql/base.py
@@ -69,11 +69,9 @@
     """
     CREATE INDEX checkpoints_checkpoint_id_idx ON checkpoints (checkpoint_id);
     """,
-    """
-    ALTER TABLE checkpoints MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';
-    ALTER TABLE checkpoint_blobs MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';
-    ALTER TABLE checkpoint_writes MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';
-    """,
+    "ALTER TABLE checkpoints MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';",
+    "ALTER TABLE checkpoint_blobs MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';",
+    "ALTER TABLE checkpoint_writes MODIFY COLUMN `checkpoint_ns` VARCHAR(255) NOT NULL DEFAULT '';",
 ]
 
 SELECT_SQL = f"""