class_docstr: An abstract base class for a training task.
  
  A ClassyTask encapsulates all the components and steps needed
  to train using a :class:`classy_vision.trainer.ClassyTrainer`.
class_docstr_tok: ["An","abstract","base","class","for","a","training","task",".","A","ClassyTask","encapsulates","all","the","components","and","steps","needed","to","train","using","a",":","class",":","`","classy_vision.trainer.ClassyTrainer","`","."]
docstr: Training end.
  
  Called by :class:`classy_vision.trainer.ClassyTrainer` after training ends.
docstr_tok: ["Training","end",".","Called","by",":","class",":","`","classy_vision.trainer.ClassyTrainer","`","after","training","ends","."]
code: def on_end(self):
      """
      Training end.
  
      Called by :class:`classy_vision.trainer.ClassyTrainer` after training ends.
      """
      pass
  
file_path: ClassyVision/classy_vision/tasks/classy_task.py
imports: from abc import ABC, abstractmethod
  from typing import Any, Dict
  from classy_vision.generic.util import log_class_usage
label_desc: Use image node_id 12 for calling the ClassyTask obj's underlying member method code with example usage: obj.on_end() without return types