title: celery error using Python3.3
body: <p>I am using python3.3 and I installed celery3.0.17
  When I Do </p>
  
  <pre><code>import celery
  </code></pre>
  
  <p>I get the following error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "&lt;interactive input&gt;", line 1, in &lt;module&gt;
    File "C:\Python33\lib\site-packages\celery-3.0.17-py3.3.egg\celery\__init__.py", line 43, in &lt;module&gt;
      from .__compat__ import recreate_module
    File "C:\Python33\lib\site-packages\celery-3.0.17-py3.3.egg\celery\__compat__.py", line 20, in &lt;module&gt;
      from .local import Proxy
    File "C:\Python33\lib\site-packages\celery-3.0.17-py3.3.egg\celery\local.py", line 87, in &lt;module&gt;
      class Proxy(object):
  ValueError: '__name__' in __slots__ conflicts with class variable
  </code></pre>
  
  <p>does anybody know a solution for this error?</p>