Linter fixes.

buildman/component/buildcomponent.py

@@ -430,9 +430,8 @@ class BuildComponent(BaseComponent):
         raise Return()
 
       # If there is an active build, write the heartbeat to its status.
-      build_status = self._build_status
+      if self._build_status is not None:
-      if build_status is not None:
+        with self._build_status as status_dict:
-        with build_status as status_dict:
           status_dict['heartbeat'] = int(time.time())
 
       # Mark the build item.

buildman/jobutil/buildstatus.py

@@ -1,12 +1,14 @@
-from data.database import BUILD_PHASE
-from data import model
-from redis import RedisError
-
 import datetime
 import logging
 
+from data.database import BUILD_PHASE
+from data import model
+from buildman.asyncutil import AsyncWrapper
+
+
 logger = logging.getLogger(__name__)
 
+
 class StatusHandler(object):
   """ Context wrapper for writing status to build logs. """
 

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