def _raw_delete(self, using):
        sql.DeleteQuery(self.model).delete_qs(self, using)
Are any of the channels created and running?
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/query.py/QuerySet._raw_delete--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/zmq/kernelmanager.py/KernelManager.channels_running