def ex_disable_balancer_custom_error_page(self, balancer):
        if not self.ex_disable_balancer_custom_error_page_no_poll(balancer):
            msg = 'Disable custom error page request not accepted'
            raise LibcloudError(msg, driver=self)

        return self._get_updated_balancer(balancer)
Determine dummy indices of ``expr`` and describe its structure
dataset/ETHPy150Open apache/libcloud/libcloud/loadbalancer/drivers/rackspace.py/RackspaceLBDriver.ex_disable_balancer_custom_error_page--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/tensor/index_methods.py/get_contraction_structure