Fix bench_worker CELERYD_PREFETCH_MULTIPLIER

funtests/benchmarks/bench_worker.py

@@ -23,7 +23,7 @@ celery = Celery(__name__)
 celery.conf.update(BROKER_TRANSPORT=BROKER_TRANSPORT,
                    BROKER_POOL_LIMIT=10,
                    CELERYD_POOL='solo',
-                   CELERY_PREFETCH_MULTIPLIER=0,
+                   CELERYD_PREFETCH_MULTIPLIER=0,
                    CELERY_DISABLE_RATE_LIMITS=True,
                    CELERY_DEFAULT_DELIVERY_MODE=1,
                    CELERY_QUEUES = {