code: def has_checkpoint(path_to_job):
      """
      Determines if the given directory contains a checkpoint.
      Args:
          path_to_job (string): the path to the folder of the current job.
      """
      d = get_checkpoint_dir(path_to_job)
      files = pathmgr.ls(d) if pathmgr.exists(d) else []
      return any("checkpoint" in f for f in files)
  
imports: import copy
  import math
  import numpy
  import os
  import pickle
  from collections import OrderedDict
  import torch
  import slowfast.utils.distributed
  import slowfast.utils.logging
  from slowfast.utils.c2_model_loading import get_name_convert_func
  from slowfast.utils.env import checkpoint_pathmgr
label_desc: Use image node_id 5 for calling a global function with example usage: has_checkpoint(path_to_job) and returns: any