code: def __init__(self):
      self.last_update = 0
      self.update_interval = 60
  
file_path: ray/release/tune_tests/cloud_tests/workloads/long_running_cloud_storage.py
imports: import json
  import os
  import pickle
  import tempfile
  import time
  from collections import Counter
  import click
  import numpy
  from ray import train, tune
  from ray.train import Checkpoint, CheckpointConfig, RunConfig
  from ray.tune import Callback
label_desc: Use image node_id 1 to create a new ProgressCallback object from inherited base classes: Callback with example: obj = ProgressCallback()