def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def get_config(self):
    config = super().get_config()
    config['masked_tokens'] = tuple(self._masked_tokens)
    return config