Merge "Error trying to delete snapshots on Hitachi driver"

diff --cc cinder/volume/drivers/hitachi/hbsd_common.py
index 0e2444dac5fca9f17f89a6cd5fe0e06355b5568f,6899e25641fbd221a04074a0e2e3a8bdaad3bfae..cfcfb7e60890a2a7ec84649238f66a72c621899c
--- 1/cinder/volume/drivers/hitachi/hbsd_common.py
--- 2/cinder/volume/drivers/hitachi/hbsd_common.py
+++ b/cinder/volume/drivers/hitachi/hbsd_common.py
@@@ -24,10 -23,9 +24,8 @@@ from oslo_log import log as loggin
  from oslo_utils import excutils
  import six
  
- from cinder.db.sqlalchemy import api
- from cinder.db.sqlalchemy import models
  from cinder import exception
  from cinder.i18n import _LE, _LW
 -from cinder.openstack.common import log as logging
  from cinder import utils
  from cinder.volume.drivers.hitachi import hbsd_basiclib as basic_lib
  from cinder.volume.drivers.hitachi import hbsd_horcm as horcm