db vs migration mismatch

[YAMAMOTO Takashi]

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):
      File "/opt/stack/networking-midonet/.tox/py27/local/lib/python2.7/site-packages/oslo_db/sqlalchemy/test_migrations.py", line 618, in test_models_sync
        "Models and migration scripts aren't in sync:\n%s" % msg)
      File "/opt/stack/networking-midonet/.tox/py27/local/lib/python2.7/site-packages/unittest2/case.py", line 690, in fail
        raise self.failureException(msg)
    AssertionError: Models and migration scripts aren't in sync:
    [ [ ( 'modify_nullable',
          None, 'tap_flows',
          'direction', { 'existing_server_default': False,
            'existing_type': ENUM(u'IN', u'OUT', u'BOTH')}, False,
          True)], ( 'add_index',
        Index('ix_tap_flows_tenant_id', Column('tenant_id', String(length=255), table=<tap_flows>))),
      ( 'add_index',
        Index('ix_tap_services_tenant_id', Column('tenant_id', String(length=255)
, table=<tap_services>)))]

[YAMAMOTO Takashi (yamamoto)]

https://review.openstack.org/#/c/349012/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/349012
Committed: https://git.openstack.org/cgit/openstack/tap-as-a-service/commit/?id=0b33b4e35a850bb8563d329f908a3ec5da94bf4e
Submitter: Jenkins
Branch: master

commit 0b33b4e35a850bb8563d329f908a3ec5da94bf4e
Author: YAMAMOTO Takashi <email address hidden>
Date: Sat Jul 30 03:33:09 2016 +0900

    Fix a few db vs migration mismatch

    Closes-Bug: #1607909
    Change-Id: I6f3fcca1c7e2e3bdb4fb195a058e526324b6f717