more pep8

bin/nova-dhcpbridge

@@ -41,6 +41,7 @@ from nova.network import manager # for network flags
 
 FLAGS = flags.FLAGS
 
+
 def add_lease(_mac, ip_address, _hostname, _interface):
     """Set the IP that was assigned by the DHCP server."""
     if FLAGS.fake_rabbit:

bin/nova-manage

@@ -56,7 +56,7 @@ class VpnCommands(object):
             vpn = self._vpn_for(project.id)
             if vpn:
                 command = "ping -c1 -w1 %s > /dev/null; echo $?"
-                out, _err = utils.execute(  command % vpn['private_dns_name'],
+                out, _err = utils.execute(command % vpn['private_dns_name'],
                                           check_exit_code=False)
                 if out.strip() == '0':
                     net = 'up'