Traceback (most recent call last):
  File "ceilometer/tests/db.py", line 52, in setUp
    self.conn.upgrade()
  File "ceilometer/storage/impl_sqlalchemy.py", line 191, in upgrade
    migration.db_sync(session.get_bind())
  File "ceilometer/storage/sqlalchemy/migration.py", line 34, in db_sync
    versioning_api.upgrade(engine, repository)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 186, in upgrade
    return _migrate(url, repository, version, upgrade=True, err=err, **opts)
  File "<string>", line 2, in _migrate
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/util/__init__.py", line 159, in with_engine
    return f(*a, **kw)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 366, in _migrate
    schema.runchange(ver, change, changeset.step)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/schema.py", line 91, in runchange
    change.run(self.engine, step)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/script/py.py", line 145, in run
    script_func(engine)
  File "/home/openstack/workspace/ceilometer-review/build/ceilometer/storage/sqlalchemy/migrate_repo/versions/011_indexes_cleanup.py", line 38, in upgrade
    index.drop()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/schema.py", line 2290, in drop
    bind._run_visitor(ddl.SchemaDropper, self)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2302, in _run_visitor
    conn._run_visitor(visitorcallable, element, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1972, in _run_visitor
    **kwargs).traverse_single(element)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/visitors.py", line 106, in traverse_single
    return meth(obj, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/ddl.py", line 159, in visit_index
    self.connection.execute(schema.DropIndex(index))
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1449, in execute
    params)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1542, in _execute_ddl
    compiled
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1698, in _execute_context
    context)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1691, in _execute_context
    context)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 331, in do_execute
    cursor.execute(statement, parameters)
OperationalError: (OperationalError) no such index: ix_resource_id u'\nDROP INDEX ix_resource_id' ()