def _Exists(self):
    show_cmd = [AZURE_PATH,
                'vm',
                'show',
                '--json',
                self.name]
    stdout, _, _ = vm_util.IssueCommand(show_cmd, suppress_warning=True)
    try:
      json.loads(stdout)
    except ValueError:
      return False
    return True
Set the gradients of all parameters when doing inference with
dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/providers/azure/azure_virtual_machine.py/AzureVirtualMachine._Exists--crossover with--dataset/ETHPy150Open SheffieldML/GPy/GPy/kern/src/kern.py/Kern.update_gradients_expectations