diff --git a/bin/nova-manage b/bin/nova-manage
index c4e9841c..0fde8ba0 100755
--- a/bin/nova-manage
+++ b/bin/nova-manage
@@ -80,7 +80,7 @@ from nova import db
 from nova.db import migration
 from nova import exception
 from nova.openstack.common import cliutils
-from nova.openstack.common.db.sqlalchemy import session as db_session
+from nova.openstack.common.db import exception as db_exc
 from nova.openstack.common import importutils
 from nova.openstack.common import log as logging
 from nova.openstack.common import rpc
@@ -861,7 +861,7 @@ class InstanceTypeCommands(object):
         except exception.InstanceTypeNotFound:
             print _("Valid instance type name is required")
             sys.exit(1)
-        except db_session.DBError, e:
+        except db_exc.DBError, e:
             print _("DB Error: %s") % e
             sys.exit(2)
         except Exception:
@@ -878,7 +878,7 @@ class InstanceTypeCommands(object):
                 inst_types = instance_types.get_all_types()
             else:
                 inst_types = instance_types.get_instance_type_by_name(name)
-        except db_session.DBError, e:
+        except db_exc.DBError, e:
             _db_error(e)
         if isinstance(inst_types.values()[0], dict):
             for k, v in inst_types.iteritems():
@@ -909,7 +909,7 @@ class InstanceTypeCommands(object):
                             ext_spec)
             print _("Key %(key)s set to %(value)s on instance"
                     " type %(name)s") % locals()
-        except db_session.DBError, e:
+        except db_exc.DBError, e:
             _db_error(e)
 
     @args('--name', dest='name', metavar='<name>',
@@ -932,7 +932,7 @@ class InstanceTypeCommands(object):
                         key)
 
             print _("Key %(key)s on instance type %(name)s unset") % locals()
-        except db_session.DBError, e:
+        except db_exc.DBError, e:
             _db_error(e)
 
 
diff --git a/nova/tests/baremetal/db/test_bm_interface.py b/nova/tests/baremetal/db/test_bm_interface.py
index 32beb1ce..e870ec5e 100644
--- a/nova/tests/baremetal/db/test_bm_interface.py
+++ b/nova/tests/baremetal/db/test_bm_interface.py
@@ -18,7 +18,7 @@ Bare-metal DB testcase for BareMetalInterface
 """
 
 from nova import exception
-from nova.openstack.common.db.sqlalchemy import session as db_session
+from nova.openstack.common.db import exception as db_exc
 from nova.tests.baremetal.db import base
 from nova.virt.baremetal import db
 
@@ -28,7 +28,7 @@ class BareMetalInterfaceTestCase(base.BMDBTestCase):
     def test_unique_address(self):
         pif1_id = db.bm_interface_create(self.context, 1, '11:11:11:11:11:11',
                                          '0x1', 1)
-        self.assertRaises(db_session.DBError,
+        self.assertRaises(db_exc.DBError,
                           db.bm_interface_create,
                           self.context, 2, '11:11:11:11:11:11', '0x2', 2)
         # succeed after delete pif1
diff --git a/nova/tests/baremetal/db/test_bm_pxe_ip.py b/nova/tests/baremetal/db/test_bm_pxe_ip.py
index 9820f3af..fe8ba5b3 100644
--- a/nova/tests/baremetal/db/test_bm_pxe_ip.py
+++ b/nova/tests/baremetal/db/test_bm_pxe_ip.py
@@ -18,7 +18,7 @@ Bare-metal DB testcase for BareMetalPxeIp
 """
 
 from nova import exception
-from nova.openstack.common.db.sqlalchemy import session as db_session
+from nova.openstack.common.db import exception as db_exc
 from nova.tests.baremetal.db import base
 from nova.tests.baremetal.db import utils
 from nova.virt.baremetal import db
@@ -51,14 +51,14 @@ class BareMetalPxeIpTestCase(base.BMDBTestCase):
         # address duplicates
         i = utils.new_bm_pxe_ip(address='10.1.1.1',
                                 server_address='10.1.1.201')
-        self.assertRaises(db_session.DBError,
+        self.assertRaises(db_exc.DBError,
                           db.bm_pxe_ip_create_direct,
                           self.context, i)
 
         # server_address duplicates
         i = utils.new_bm_pxe_ip(address='10.1.1.3',
                                 server_address='10.1.1.101')
-        self.assertRaises(db_session.DBError,
+        self.assertRaises(db_exc.DBError,
                           db.bm_pxe_ip_create_direct,
                           self.context, i)
 
diff --git a/nova/tests/baremetal/test_pxe.py b/nova/tests/baremetal/test_pxe.py
index d9e41bc6..4f4c9f7d 100644
--- a/nova/tests/baremetal/test_pxe.py
+++ b/nova/tests/baremetal/test_pxe.py
@@ -27,7 +27,7 @@ from oslo.config import cfg
 from testtools import matchers
 
 from nova import exception
-from nova.openstack.common.db.sqlalchemy import session as db_session
+from nova.openstack.common.db import exception as db_exc
 from nova.tests.baremetal.db import base as bm_db_base
 from nova.tests.baremetal.db import utils as bm_db_utils
 from nova.tests.image import fake as fake_image
@@ -529,7 +529,7 @@ class PXEPublicMethodsTestCase(BareMetalPXETestCase):
                 AndRaise(exception.NovaException)
         bm_utils.unlink_without_raise(pxe_path)
         self.driver._collect_mac_addresses(self.context, self.node).\
-                AndRaise(db_session.DBError)
+                AndRaise(db_exc.DBError)
         bm_utils.rmtree_without_raise(
                 os.path.join(CONF.baremetal.tftp_root, 'fake-uuid'))
         self.mox.ReplayAll()