reorder imports spacing

nova/server.py

@@ -20,6 +20,8 @@
 Base functionality for nova daemons - gradually being replaced with twistd.py.
 """
 
+import daemon
+from daemon import pidlockfile
 import logging
 import logging.handlers
 import os
@@ -27,10 +29,6 @@ import signal
 import sys
 import time
 
-
-import daemon
-from daemon import pidlockfile
-
 from nova import flags