remove unnecessary allow_none=True

This commit is contained in:
Sylvain Corlay 2015-03-27 20:00:47 -04:00
parent 1dbd95c4bc
commit fa1fce83db

View File

@ -20,7 +20,7 @@ class ClusterManager(LoggingConfigurable):
delay = Float(1., config=True,
help="delay (in s) between starting the controller and the engines")
loop = Instance('zmq.eventloop.ioloop.IOLoop', allow_none=True)
loop = Instance('zmq.eventloop.ioloop.IOLoop')
def _loop_default(self):
from zmq.eventloop.ioloop import IOLoop
return IOLoop.instance()