PEP8ify + pyflakes

celery/tests/test_backends/__init__.py

@@ -10,7 +10,6 @@ from celery.backends.cache import CacheBackend
 class TestBackends(unittest.TestCase):
 
     def test_get_backend_aliases(self):
-        from celery import current_app
         expects = [("amqp", AMQPBackend),
                    ("cache", CacheBackend)]
         for expect_name, expect_cls in expects:
@@ -21,9 +20,9 @@ class TestBackends(unittest.TestCase):
         backends.get_backend_cls.clear()
         hits = backends.get_backend_cls.hits
         misses = backends.get_backend_cls.misses
-        backends.get_backend_cls("amqp")
+        self.assertTrue(backends.get_backend_cls("amqp"))
         self.assertEqual(backends.get_backend_cls.misses, misses + 1)
-        amqp_backend = backends.get_backend_cls("amqp")
+        self.assertTrue(backends.get_backend_cls("amqp"))
         self.assertEqual(backends.get_backend_cls.hits, hits + 1)
 
     def test_unknown_backend(self):

celery/worker/__init__.py

@@ -1,7 +1,8 @@
 from __future__ import absolute_import
 
-import socket
 import logging
+import socket
+import sys
 import traceback
 
 from kombu.syn import blocking