celery using beanstalkd as work queue, you may need this fix http://goo.gl/d3igM

celeryconfig.py

# File: celeryconfig.py -*- Encoding: utf-8 -*-

BROKER_BACKEND = 'beanstalk'
BROKER_HOST = '127.0.0.1'
BROKER_PORT = 11300

CELERY_IGNORE_RESULT = True

CELERY_IMPORTS = ("tasks", )

tasks.py

# File: tasks.py -*- Encoding: utf-8 -*-

from celery.task import task

@task
def add(x, y):
    return x + y