Django/Celery on PyPy

Example Django project w/ Celery (just import) running on PyPy 2.0.2 and results in "RuntimeError: not holding the import lock" but works (renders a web page w/ text "home") on CPython 2.7.x or PyPy 1.9.

PyPy version (Ubuntu 13.04; from PyPy PPA):

Python 2.7.3 (2.0.2+dfsg-1~ppa1, May 22 2013, 11:26:59)
[PyPy 2.0.2 with GCC 4.6.3] on linux2

Steps to reproduce error:

1. git clone this repo:

   $ git clone git://github.com/aljosa/pypy-django-celery.git $ cd pypy-django-celery

2. create and activate virtualenv w/ pypy 2.0.2:

   $ virtualenv -p pypy env $ . env/bin/activate

3. use pip to install requirements from requirements.txt (django + celery):

   $ pip install -r requirements.txt

4. source profile file, it sets DJANGO_SETTINGS_MODULE and PYTHONPATH:

   $ . profile

5. run django-admin.py runserver:

   $ django-admin.py runserver

6. open http://localhost:8000 in browser:

   $ xdg-open http://localhost:8000