Namespace tensorflow.python.tpu.session_support Classes CoordinatorResetError GracefulShutdownHook ResetComputation session_support ShutdownAllWorkers ShutdownLameWorkers WatchdogManager WorkerHeartbeatManager Interfaces ICoordinatorResetError IGracefulShutdownHook IResetComputation IShutdownAllWorkers IShutdownLameWorkers IWatchdogManager IWorkerHeartbeatManager