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-rw-r--r--nova/utils.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/nova/utils.py b/nova/utils.py
index 52d4868c9..de9879393 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -628,7 +628,7 @@ class DynamicLoopingCall(LoopingCallBase):
if not self._running:
break
- if not periodic_interval_max is None:
+ if periodic_interval_max is not None:
idle = min(idle, periodic_interval_max)
LOG.debug(_('Periodic task processor sleeping for %.02f '
'seconds'), idle)