docstr: Load the latest checkpoint.
docstr_tok: ["Load","the","latest","checkpoint","."]
code: def load_checkpoint(self, model):
      """Load the latest checkpoint."""
      model.load_state_dict(torch.load(self.filename))
  
imports: import sys
  import datetime
  import dgl
  import errno
  import numpy
  import os
  import pickle
  import random
  import torch
  from dgl.data.utils import download, get_download_dir, _get_dgl_url
  import os.path
  from pprint import pprint
  from scipy import sparse
  from scipy import io
label_desc: Use image node_id 4 for calling the EarlyStopping obj's underlying member method code with example usage: obj.load_checkpoint(model) without return types