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[Matt Riedemann <mriedem@xxxxxxxxxx>]

This is a usage error.  The downgrade should be ran through: nova-manage
db sync 132

[root@rhel62 migrate_repo]# nova-manage db sync --help
usage: nova-manage db sync [-h] [--version <version>]
                           [action_args [action_args ...]]

positional arguments:
  action_args

optional arguments:
  -h, --help           show this help message and exit
  --version <version>  Database version


** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1188828

Title:
  nova db migrate downgrade fails without _() imported

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  Doing a downgrade of the nova db via sqlalchemy migrate on master
  (havana-1) fails immediately because the _() method is not defined:

  http://paste.openstack.org/show/38260/

  This is because the _() method is only imported in
  nova/cmd/__init__.py, so it will work only when commands are ran, e.g.
  nova-manage db sync.  To run the downgrade, you have to invoke the
  manage.py script directly.

  The fix is to import the _() method from
  nova.openstack.common.gettextutils in nova/__init__.py.

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