Remove unused imports

Fixes bug #1037705

Change-Id: I3e55f283961b4801c863bea05d9dd36e22be0cdb

nova/scheduler/filters/aggregate_instance_extra_specs.py

@@ -15,10 +15,8 @@
 #    under the License.
 
 from nova import db
-from nova import exception
 from nova.openstack.common import log as logging
 from nova.scheduler import filters
-from nova import utils
 
 
 LOG = logging.getLogger(__name__)

nova/tests/scheduler/test_host_manager.py

@@ -16,7 +16,6 @@
 Tests For HostManager
 """
 
-import datetime
 
 from nova import db
 from nova import exception

nova/tests/scheduler/test_scheduler.py

@@ -31,7 +31,6 @@ from nova import flags
 from nova import notifications
 from nova.openstack.common import jsonutils
 from nova.openstack.common import rpc
-from nova.openstack.common.rpc import common as rpc_common
 from nova.openstack.common import timeutils
 from nova.scheduler import driver
 from nova.scheduler import manager

nova/tests/test_libvirt.py

@@ -31,8 +31,6 @@ from xml.dom import minidom
 from nova.api.ec2 import cloud
 from nova.compute import instance_types
 from nova.compute import power_state
-from nova.compute import rpcapi as compute_rpcapi
-from nova.compute import utils as compute_utils
 from nova.compute import vm_mode
 from nova.compute import vm_states
 from nova import context

nova/tests/test_plugin_api_extensions.py

@@ -15,11 +15,9 @@
 
 import pkg_resources
 
-import nova
 from nova.api.openstack.compute import extensions as computeextensions
 from nova.api.openstack import extensions
 from nova.openstack.common.plugin import plugin
-from nova.openstack.common.plugin import pluginmanager
 from nova import test
 
 

nova/tests/test_storwize_svc.py

@@ -31,7 +31,6 @@ from nova import exception
 from nova.openstack.common import excutils
 from nova.openstack.common import log as logging
 from nova import test
-from nova import utils
 from nova.volume import storwize_svc
 
 LOG = logging.getLogger(__name__)

nova/tests/test_xensm.py

@@ -16,18 +16,14 @@
 
 """Test suite for Xen Storage Manager Volume Driver."""
 
-import os
 
 from nova import context
 from nova import db
 from nova import exception
 from nova import flags
 from nova.openstack.common import log as logging
-from nova import test
 from nova.tests.xenapi import stubs
-from nova.virt.xenapi import driver as xenapi_conn
 from nova.virt.xenapi import fake as xenapi_fake
-from nova.virt.xenapi import volume_utils
 from nova.volume import xensm
 
 LOG = logging.getLogger(__name__)

nova/utils.py

@@ -35,13 +35,11 @@ import socket
 import struct
 import sys
 import tempfile
-import threading
 import time
 import uuid
 import weakref
 from xml.sax import saxutils
 
-from eventlet import corolocal
 from eventlet import event
 from eventlet.green import subprocess
 from eventlet import greenthread