This hook creates a progress bar that creates and updates the progress bar during training or evaluation.
hook_progress_bar()Other session_run_hook wrappers: hook_checkpoint_saver,
hook_global_step_waiter,
hook_history_saver,
hook_logging_tensor,
hook_nan_tensor,
hook_step_counter,
hook_stop_at_step,
hook_summary_saver,
session_run_hook