Fix lint errors.

celery/app/trace.py

@@ -43,9 +43,6 @@ from kombu.utils.encoding import safe_repr, safe_str
 # We know what we're doing...
 
 
-
-
-
 __all__ = (
     'TraceInfo', 'build_tracer', 'trace_task',
     'setup_worker_optimizations', 'reset_worker_optimizations',

celery/concurrency/eventlet.py

@@ -27,9 +27,6 @@ for mod in (mod for mod in sys.modules if mod.startswith(RACE_MODS)):
             warnings.warn(RuntimeWarning(W_RACE % side))
 
 
-
-
-
 def apply_target(target, args=(), kwargs={}, callback=None,
                  accept_callback=None, getpid=None):
     return base.apply_target(target, args, kwargs, callback, accept_callback,

celery/worker/worker.py

@@ -41,8 +41,6 @@ except ImportError:  # pragma: no cover
     resource = None  # noqa
 
 
-
-
 __all__ = ('WorkController',)
 
 #: Default socket timeout at shutdown.

t/unit/tasks/test_tasks.py

@@ -20,8 +20,6 @@ except ImportError:  # pragma: no cover
     from urllib2 import HTTPError
 
 
-
-
 def return_True(*args, **kwargs):
     # Task run functions can't be closures/lambdas, as they're pickled.
     return True