def list(self, **kw):
        raise AttributeError("SigningKeys do not support lists()")
Return a weak-reference-like instance for a bound method
dataset/ETHPy150Open makaimc/video-service-flask/twilio/rest/resources/signing_keys.py/SigningKeys.list--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/dispatch/saferef.py/BoundMethodWeakref.__init__