@response_or_error
    def unapprove(self):
        return self._client.delete(self.url("/approve"))
validate a network (must be implemented in child class)
dataset/ETHPy150Open RisingOak/stashy/stashy/pullrequests.py/PullRequest.unapprove--crossover with--dataset/ETHPy150Open NVIDIA/DIGITS/digits/frameworks/framework.py/Framework.validate_network