title: How can I make Celery use pypy as its interpreter?
body: <p>I've just installed pypy on my system (Ubuntu 14.04, pypy installed from official PPA).  My default interpreter is still CPython 2.7 (latest), so executing any <code>celery</code> commands will run under this default.</p>
  
  <p>How can I specify that Celery should be run under pypy?</p>