def receive_previous_group(self, group):
        path = "api/groups/{0}/previous".format(group)
        return Group.from_dict(self._get(path))
Erase the memory used by the PRNG.
dataset/ETHPy150Open adafruit/io-client-python/Adafruit_IO/client.py/Client.receive_previous_group--crossover with--dataset/ETHPy150Open pyca/pyopenssl/src/OpenSSL/rand.py/cleanup