def __init__(self, block_devices=None, machine=None, **unknown_fields):
        '''
        block_devices : typing.Sequence[~BlockDevice]
        machine : str
        '''
        self.block_devices = [BlockDevice.from_json(o) for o in block_devices or []]
        self.machine = machine
def __init__ ( self , block_devices = None , machine = None , ** unknown_fields ) : self . block_devices = [ BlockDevice . from_json ( o ) for o in block_devices or [ ] ] self . machine = machine
block_devices : typing.Sequence[~BlockDevice]
        machine : str