rm 2 redundant blank lines

trivial patch of removing 2 blank lines

services/update.py

@@ -15,12 +15,10 @@ setup_environ(settings)
 # This has to be imported after the settings so statsd knows where to log to.
 from django_statsd.clients import statsd
 
-
 import commonware.log
 import MySQLdb as mysql
 import sqlalchemy.pool as pool
 
-
 try:
     from compare import version_int
 except ImportError: