Linter fixes.

buildman/server.py

@@ -1,16 +1,15 @@
 import logging
-import trollius
 import json
+import trollius
 
+from threading import Event
+from datetime import timedelta
+from trollius.coroutines import From
 from autobahn.asyncio.wamp import RouterFactory, RouterSessionFactory
 from autobahn.asyncio.websocket import WampWebSocketServerFactory
 from autobahn.wamp import types
-
 from aiowsgi import create_server as create_wsgi_server
 from flask import Flask
-from threading import Event
-from trollius.coroutines import From
-from datetime import timedelta
 
 from buildman.enums import BuildJobResult, BuildServerStatus, RESULT_PHASES
 from buildman.jobutil.buildstatus import StatusHandler
@@ -46,12 +45,12 @@ class BuilderServer(object):
     self._build_logs = build_logs
     self._user_files = user_files
     self._lifecycle_manager = lifecycle_manager_klass(
-        self._register_component,
-        self._unregister_component,
-        self._job_heartbeat,
-        self._job_complete,
-        manager_hostname,
-        HEARTBEAT_PERIOD_SEC,
+      self._register_component,
+      self._unregister_component,
+      self._job_heartbeat,
+      self._job_complete,
+      manager_hostname,
+      HEARTBEAT_PERIOD_SEC,
     )
     self._lifecycle_manager_config = lifecycle_manager_config