class_docstr: This class specifies the configurations for PaddleHub to finetune 
class_docstr_tok: ["This","class","specifies","the","configurations","for","PaddleHub","to","finetune"]
code: def __repr__(self):
      return "config with num_epoch={}, batch_size={}, use_cuda={}, checkpoint_dir={} ".format(
          self.num_epoch,
          self.batch_size,
          self.use_cuda,
          self.checkpoint_dir,
      )
  
imports: import time
  from typing import Callable
label_desc: Use image node_id 2 for calling the RunConfig obj's underlying member method code with example usage: obj.__repr__() and returns: str