code: def __len__(self):
      return len(self.image_paths)
  
file_path: tez/tez/datasets/image_segmentation.py
imports: import cv2
  import numpy
  import torch
  from PIL import ImageFile
label_desc: Use image node_id 2 for calling the RCNNDataset obj's underlying member method code with example usage: obj.__len__() and returns: len