def _session(self):
        if 'django.contrib.sessions' in settings.INSTALLED_APPS:
            engine = import_module(settings.SESSION_ENGINE)
            cookie = self.cookies.get(settings.SESSION_COOKIE_NAME, None)
            if cookie:
                return engine.SessionStore(cookie.value)
        return {}
The only interceptor that can have a Zero as it's order is the DefaultInterceptor
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/test/client.py/Client._session--crossover with--dataset/ETHPy150Open jookies/jasmin/jasmin/protocols/cli/test/test_mointerceptorm.py/MoInterceptorArgsTestCases.test_add_nondefaultinterceptor_with_zero_order