diff --git a/nova/scheduler/host_filter.py b/nova/scheduler/host_filter.py
index 4260cbf4..7d6ee0ee 100644
--- a/nova/scheduler/host_filter.py
+++ b/nova/scheduler/host_filter.py
@@ -226,7 +226,7 @@ class JsonFilter(HostFilter):
         required_disk = instance_type['local_gb']
         query = ['and',
                     ['>=', '$compute.host_memory_free', required_ram],
-                    ['>=', '$compute.disk_available', required_disk]
+                    ['>=', '$compute.disk_available', required_disk],
                 ]
         return (self._full_name(), json.dumps(query))
 
diff --git a/nova/tests/test_host_filter.py b/nova/tests/test_host_filter.py
index 07817cc5..3361c7b7 100644
--- a/nova/tests/test_host_filter.py
+++ b/nova/tests/test_host_filter.py
@@ -133,13 +133,14 @@ class HostFilterTestCase(test.TestCase):
         raw = ['or',
                    ['and',
                        ['<', '$compute.host_memory_free', 30],
-                       ['<', '$compute.disk_available', 300]
+                       ['<', '$compute.disk_available', 300],
                    ],
                    ['and',
                        ['>', '$compute.host_memory_free', 70],
-                       ['>', '$compute.disk_available', 700]
-                   ]
+                       ['>', '$compute.disk_available', 700],
+                   ],
               ]
+
         cooked = json.dumps(raw)
         hosts = hf.filter_hosts(self.zone_manager, cooked)
 
@@ -183,13 +184,11 @@ class HostFilterTestCase(test.TestCase):
         self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps([])))
         self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps({})))
         self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps(
-                ['not', True, False, True, False]
-            )))
+                ['not', True, False, True, False])))
 
         try:
             hf.filter_hosts(self.zone_manager, json.dumps(
-                'not', True, False, True, False
-            ))
+                'not', True, False, True, False))
             self.fail("Should give KeyError")
         except KeyError, e:
             pass
diff --git a/nova/tests/test_zone_aware_scheduler.py b/nova/tests/test_zone_aware_scheduler.py
index 37169fb9..72b74be2 100644
--- a/nova/tests/test_zone_aware_scheduler.py
+++ b/nova/tests/test_zone_aware_scheduler.py
@@ -38,16 +38,16 @@ class FakeZoneAwareScheduler(zone_aware_scheduler.ZoneAwareScheduler):
 class FakeZoneManager(zone_manager.ZoneManager):
     def __init__(self):
         self.service_states = {
-                        'host1': {
-                            'compute': {'ram': 1000}
-                         },
-                         'host2': {
-                            'compute': {'ram': 2000}
-                         },
-                         'host3': {
-                            'compute': {'ram': 3000}
-                         }
-                     }
+            'host1': {
+                'compute': {'ram': 1000},
+            },
+            'host2': {
+                'compute': {'ram': 2000},
+            },
+            'host3': {
+                'compute': {'ram': 3000},
+            },
+        }
 
 
 class FakeEmptyZoneManager(zone_manager.ZoneManager):