def is_fault(self):

        if self.is_batch():

            info = self.get_batch()

            return info['hasFault']

        else:

            my_response = self.get_response()

            if list(my_response.keys())[0] == "Fault":

                return True

        return False
Checks, wether this response has at least one fault response (
dataset/ETHPy150Open Zimbra-Community/python-zimbra/pythonzimbra/response.py/Response.is_fault