fix up revision tree to match cozynet's early support of luminous

core/data/schema/base.py

@@ -6,6 +6,7 @@ from sqlalchemy.engine.base import Connection
 from sqlalchemy.sql import text, func
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy import MetaData, Table, Column
+from sqlalchemy.engine import Row
 from sqlalchemy.types import Integer, String, TIMESTAMP, JSON, INTEGER, TEXT
 from sqlalchemy.schema import ForeignKey
 from sqlalchemy.dialects.mysql import insert