Gets new credentials

        :return: New user credentials file upon user prompt

def get_new_user_credentials(self):
        """Gets new credentials

        :return: New user credentials file upon user prompt
        """
        # OAuth2.0 authorization flow
        flow = client.flow_from_clientsecrets(self.app_secrets, self.scope)
        flow.user_agent = self.app_name
        return tools.run_flow(flow, self.store)