diff options
Diffstat (limited to 'examples/versioned_rows/versioned_rows.py')
-rw-r--r-- | examples/versioned_rows/versioned_rows.py | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/examples/versioned_rows/versioned_rows.py b/examples/versioned_rows/versioned_rows.py index 03e1c3510..01067431c 100644 --- a/examples/versioned_rows/versioned_rows.py +++ b/examples/versioned_rows/versioned_rows.py @@ -3,17 +3,19 @@ an UPDATE statement on a single row into an INSERT statement, so that a new row is inserted with the new data, keeping the old row intact. """ -from sqlalchemy.orm import ( - sessionmaker, - relationship, - make_transient, - backref, - Session, -) -from sqlalchemy import Column, ForeignKey, create_engine, Integer, String +from sqlalchemy import Column +from sqlalchemy import create_engine +from sqlalchemy import event +from sqlalchemy import ForeignKey +from sqlalchemy import Integer +from sqlalchemy import String from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import attributes -from sqlalchemy import event +from sqlalchemy.orm import backref +from sqlalchemy.orm import make_transient +from sqlalchemy.orm import relationship +from sqlalchemy.orm import Session +from sqlalchemy.orm import sessionmaker class Versioned(object): |