ML2 plugin cannot raise NoResultFound exception

[Édouard Thuleau]

The ML2 plugin cannot raise NoResultFound exception because it does not use the correct sqlalchemy library.
'from sqlalchemy import exc as ...' instead of 'from sqlalchemy.orm import exc as ...'

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/72096
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=e62e5f3763934bef452d07dafc29ee3709bc2213
Submitter: Jenkins
Branch: master

commit e62e5f3763934bef452d07dafc29ee3709bc2213
Author: Édouard Thuleau <email address hidden>
Date: Sat Feb 8 18:28:19 2014 +0100

    ML2 plugin cannot raise NoResultFound exception

    The ML2 plugin cannot raise NoResultFound exception because it does not
    use the correct sqlalchemy library:
    'from sqlalchemy import exc as ...' instead of 'from sqlalchemy.orm
    import exc as ...'

    Closes-Bug: #1277914
    Change-Id: If3819adc62b9254f0c08eea6dcfcf5f06288e20e