title: import error in celery
body: <p>this is the code which i am running:</p>
  
  <pre><code>from __future__ import absolute_import
  from celery import Celery
  celery1 = Celery('celery',broker='amqp://',backend='amqp://',include=['tasks'])
  
  celery1.conf.update(
     CELERY_TASK_RESULT_EXPIRES=3600,
         )
  if __name__ == '__main__':
   celery1.start()
  </code></pre>
  
  <p>when i execute the above code it gives me the following error:</p>
  
  <pre><code>   ImportError: cannot import name Celery
  </code></pre>