^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00mTraceback (most recent call last):
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/api/v2/resource.py", line 87, in resource
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    result = method(request=request, **args)
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/api/v2/base.py", line 423, in create
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    obj = obj_creator(request.context, **kwargs)
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/plugins/cisco/n1kv/n1kv_neutron_plugin.py", line 1372, in create_network_profile
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    net_p['id'])
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/plugins/cisco/db/n1kv_db_v2.py", line 906, in delete_profile_binding
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    db_session.delete(binding)
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1279, in delete
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    raise exc.UnmappedInstanceError(instance)
^[[01;31m2014-05-06 14:06:14.228 TRACE neutron.api.v2.resource ^[[01;35m^[[00mUnmappedInstanceError: Class '__builtin__.NoneType' is not mapped

def get_profile_binding(db_session, tenant_id, profile_id):
    """Get Network/Policy Profile - Tenant binding."""
    LOG.debug(_("get_profile_binding()"))
    try:
        return (db_session.query(n1kv_models_v2.ProfileBinding).filter_by(
            tenant_id=tenant_id, profile_id=profile_id).one())
    except exc.NoResultFound:
        c_exc.ProfileTenantBindingNotFound(profile_id=profile_id)


def delete_profile_binding(db_session, tenant_id, profile_id):
    """Delete Policy Binding."""
    LOG.debug(_("delete_profile_binding()"))
    db_session = db_session or db.get_session()
    try:
        binding = get_profile_binding(db_session, tenant_id, profile_id)
        with db_session.begin(subtransactions=True):
            db_session.delete(binding)
    except c_exc.ProfileTenantBindingNotFound:
        LOG.debug(_("Profile-Tenant binding missing for profile ID "
                    "%(profile_id)s and tenant ID %(tenant_id)s"),
                  {"profile_id": profile_id, "tenant_id": tenant_id})
        return