Removed unused imports.

Removed a bunch of unused imports based on pyflakes.

Change-Id: I00952371200cb4531ddf163447433da756582a21
Signed-off-by: Chuck Short <chuck.short@canonical.com>

9 files changed, 4 insertions, 25 deletions

diff --git a/nova/virt/baremetal/db/sqlalchemy/api.py b/nova/virt/baremetal/db/sqlalchemy/api.py
index 48606ac44..abdb19fb7 100644
--- a/nova/virt/baremetal/db/sqlalchemy/api.py
+++ b/nova/virt/baremetal/db/sqlalchemy/api.py
@@ -20,15 +20,8 @@
 
 """Implementation of SQLAlchemy backend."""
 
-from sqlalchemy import and_
-from sqlalchemy.exc import IntegrityError
-from sqlalchemy import or_
-from sqlalchemy.orm import joinedload
-from sqlalchemy.orm import joinedload_all
 from sqlalchemy.sql.expression import asc
-from sqlalchemy.sql.expression import desc
 from sqlalchemy.sql.expression import literal_column
-from sqlalchemy.sql import func
 
 from nova.db.sqlalchemy.api import is_user_context
 from nova.db.sqlalchemy.api import require_admin_context
diff --git a/nova/virt/baremetal/db/sqlalchemy/migrate_repo/versions/001_init.py b/nova/virt/baremetal/db/sqlalchemy/migrate_repo/versions/001_init.py
index d945755fc..2d899406c 100644
--- a/nova/virt/baremetal/db/sqlalchemy/migrate_repo/versions/001_init.py
+++ b/nova/virt/baremetal/db/sqlalchemy/migrate_repo/versions/001_init.py
@@ -15,9 +15,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from migrate import ForeignKeyConstraint
-from sqlalchemy import Boolean, BigInteger, Column, DateTime, Float, ForeignKey
-from sqlalchemy import Index, Integer, MetaData, String, Table, Text
+from sqlalchemy import Boolean, Column, DateTime
+from sqlalchemy import Index, Integer, MetaData, String, Table
 
 from nova.openstack.common import log as logging
 
diff --git a/nova/virt/baremetal/db/sqlalchemy/models.py b/nova/virt/baremetal/db/sqlalchemy/models.py
index c1ab191d0..f18c68960 100644
--- a/nova/virt/baremetal/db/sqlalchemy/models.py
+++ b/nova/virt/baremetal/db/sqlalchemy/models.py
@@ -19,12 +19,9 @@
 SQLAlchemy models for baremetal data.
 """
 
-from sqlalchemy.orm import relationship, backref, object_mapper
-from sqlalchemy import Column, Integer, BigInteger, String, schema
-from sqlalchemy import ForeignKey, DateTime, Boolean, Text, Float, Index
-from sqlalchemy.exc import IntegrityError
+from sqlalchemy import Column, Integer, String
+from sqlalchemy import ForeignKey, DateTime, Text, Index
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.schema import ForeignKeyConstraint
 
 from nova.db.sqlalchemy import models
 
diff --git a/nova/virt/libvirt/utils.py b/nova/virt/libvirt/utils.py
index c01327d3d..0d56275a0 100644
--- a/nova/virt/libvirt/utils.py
+++ b/nova/virt/libvirt/utils.py
@@ -20,7 +20,6 @@
 #    under the License.
 
 import os
-import time
 
 from lxml import etree
 
diff --git a/nova/virt/powervm/blockdev.py b/nova/virt/powervm/blockdev.py
index c9d26b740..b359716ff 100644
--- a/nova/virt/powervm/blockdev.py
+++ b/nova/virt/powervm/blockdev.py
@@ -18,7 +18,6 @@ import hashlib
 import os
 import re
 
-from nova import exception as nova_exception
 from nova import utils
 
 from nova.openstack.common import cfg
diff --git a/nova/virt/powervm/driver.py b/nova/virt/powervm/driver.py
index b43cf091c..0821d4d84 100644
--- a/nova/virt/powervm/driver.py
+++ b/nova/virt/powervm/driver.py
@@ -14,11 +14,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from nova.compute import task_states
-from nova.compute import vm_states
-
-from nova import context as nova_context
-
 from nova.openstack.common import cfg
 from nova.openstack.common import log as logging
 
diff --git a/nova/virt/xenapi/driver.py b/nova/virt/xenapi/driver.py
index eefa25d41..7bf27b7e0 100644
--- a/nova/virt/xenapi/driver.py
+++ b/nova/virt/xenapi/driver.py
@@ -39,7 +39,6 @@ A driver for XenServer or Xen Cloud Platform.
 
 import contextlib
 import cPickle as pickle
-import time
 import urlparse
 import xmlrpclib
 
diff --git a/nova/virt/xenapi/host.py b/nova/virt/xenapi/host.py
index e893abf4f..045409e4f 100644
--- a/nova/virt/xenapi/host.py
+++ b/nova/virt/xenapi/host.py
@@ -25,7 +25,6 @@ from nova.compute import task_states
 from nova.compute import vm_states
 from nova import context
 from nova import exception
-from nova import notifications
 from nova.openstack.common import jsonutils
 from nova.virt.xenapi import pool_states
 from nova.virt.xenapi import vm_utils
diff --git a/nova/virt/xenapi/pool.py b/nova/virt/xenapi/pool.py
index 5e6a8195c..40b1b029f 100644
--- a/nova/virt/xenapi/pool.py
+++ b/nova/virt/xenapi/pool.py
@@ -26,7 +26,6 @@ from nova import exception
 from nova.openstack.common import cfg
 from nova.openstack.common import jsonutils
 from nova.openstack.common import log as logging
-from nova.openstack.common import rpc
 from nova.virt.xenapi import pool_states
 from nova.virt.xenapi import vm_utils