code: def __init__(self, epochs=10):
      self.epochs = epochs
      self.epcoh_end_counter = 0
      self.train_epcoh_end_counter = 0
      self.validation_epoch_end_counter = 0
  
file_path: SynapseML/deep-learning/src/test/python/synapsemltest/dl/test_deep_vision_model.py
imports: import os
  import random
  from os.path import join
  import numpy
  import torch
  from PIL import Image
  from pytorch_lightning import Trainer
  from pytorch_lightning.callbacks import Callback
  from torch.utils.data import DataLoader, Dataset
  from synapse.ml.dl import *
label_desc: Use image node_id 1 to create a new MyDummyCallback object from inherited base classes: Callback with example: obj = MyDummyCallback(epochs)