sandy y u no read hacking guide and import classes?

nova/api/openstack/zones.py

@@ -19,8 +19,7 @@ import logging
 from nova import flags
 from nova import wsgi
 from nova import db
-from nova import rpc
-from nova.scheduler.api import API
+from nova.scheduler import api
 
 
 FLAGS = flags.FLAGS
@@ -54,7 +53,7 @@ class Controller(wsgi.Controller):
         """Return all zones in brief"""
         # Ask the ZoneManager in the Scheduler for most recent data,
         # or fall-back to the database ...
-        items = API().get_zone_list(req.environ['nova.context'])
+        items = api.API().get_zone_list(req.environ['nova.context'])
         if not items:
             items = db.zone_get_all(req.environ['nova.context'])
 

nova/scheduler/manager.py

@@ -29,7 +29,7 @@ from nova import log as logging
 from nova import manager
 from nova import rpc
 from nova import utils
-from nova.scheduler.zone_manager import ZoneManager
+from nova.scheduler import zone_manager
 
 LOG = logging.getLogger('nova.scheduler.manager')
 FLAGS = flags.FLAGS
@@ -44,7 +44,7 @@ class SchedulerManager(manager.Manager):
         if not scheduler_driver:
             scheduler_driver = FLAGS.scheduler_driver
         self.driver = utils.import_object(scheduler_driver)
-        self.zone_manager = ZoneManager()
+        self.zone_manager = zone_manager.ZoneManager()
         super(SchedulerManager, self).__init__(*args, **kwargs)
 
     def __getattr__(self, key):

nova/scheduler/zone_manager.py

@@ -22,7 +22,7 @@ import thread
 import traceback
 
 from datetime import datetime
-from eventlet.greenpool import GreenPool
+from eventlet import greenpool
 
 from nova import db
 from nova import flags
@@ -105,7 +105,7 @@ class ZoneManager(object):
     def __init__(self):
         self.last_zone_db_check = datetime.min
         self.zone_states = {}
-        self.green_pool = GreenPool()
+        self.green_pool = greenpool.GreenPool()
 
     def get_zone_list(self):
         """Return the list of zones we know about."""

nova/tests/api/openstack/test_zones.py

@@ -24,7 +24,7 @@ from nova import context
 from nova import flags
 from nova.api.openstack import zones
 from nova.tests.api.openstack import fakes
-from nova.scheduler.api import API
+from nova.scheduler import api
 
 
 FLAGS = flags.FLAGS
@@ -97,7 +97,7 @@ class ZonesTest(unittest.TestCase):
         FLAGS.allow_admin_api = self.allow_admin
 
     def test_get_zone_list_scheduler(self):
-        self.stubs.Set(API, '_call_scheduler', zone_get_all_scheduler)
+        self.stubs.Set(api.API, '_call_scheduler', zone_get_all_scheduler)
         req = webob.Request.blank('/v1.0/zones')
         res = req.get_response(fakes.wsgi_app())
         res_dict = json.loads(res.body)
@@ -106,7 +106,8 @@ class ZonesTest(unittest.TestCase):
         self.assertEqual(len(res_dict['zones']), 2)
 
     def test_get_zone_list_db(self):
-        self.stubs.Set(API, '_call_scheduler', zone_get_all_scheduler_empty)
+        self.stubs.Set(api.API, '_call_scheduler',
+                                zone_get_all_scheduler_empty)
         self.stubs.Set(nova.db, 'zone_get_all', zone_get_all_db)
         req = webob.Request.blank('/v1.0/zones')
         res = req.get_response(fakes.wsgi_app())