old_contents: # Copyright (c) 2010-2012 OpenStack, LLC.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  from sqlalchemy import MetaData, Table, Column, String, Integer
  
  
  def upgrade(migrate_engine):
      meta = MetaData(bind=migrate_engine)
      table = Table('key_info', meta,
                    Column('account', String(30)),
                    Column('key_id', Integer, primary_key=True,
                           autoincrement=True),
                    Column('encryption_key', String(30)))
      table.create()
  
  
  def downgrade(migrate_engine):
      meta = MetaData(bind=migrate_engine)
      table = Table('key_info', meta, autoload=True)
      table.remove()
  
new_contents: # Copyright (c) 2010-2012 OpenStack, LLC.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  from sqlalchemy import MetaData, Table, Column, String, Integer
  
  
  def upgrade(migrate_engine):
      meta = MetaData(bind=migrate_engine)
      table = Table('key_info', meta,
                    Column('account', String(30)),
                    Column('key_id', Integer, primary_key=True,
                           autoincrement=True),
                    Column('encryption_key', String(30)))
      table.create()
  
  
  def downgrade(migrate_engine):
      meta = MetaData(bind=migrate_engine)
      table = Table('key_info', meta, autoload=True)
      table.drop()
  
subject: Fix migration script.