

def _Exists(self):
    'Returns true if the disk exists.'
    if ((self.name is None) and self.created):
        return True
    elif (self.name is None):
        return False
    show_cmd = [AZURE_PATH, 'vm', 'disk', 'show', '--json', self.name]
    (stdout, _, _) = vm_util.IssueCommand(show_cmd, suppress_warning=True)
    try:
        json.loads(_)
    except ValueError:
        return False
    return True

dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/providers/azure/azure_disk.py AzureDisk._Exists/VarMisuse@93/127 `stdout`->`_`