class_docstr: OpenLORIS Pytorch Dataset
code: def __len__(self):
      return len(self.targets)
  
file_path: avalanche/avalanche/benchmarks/datasets/openloris/openloris.py
imports: import pickle
  from pathlib import Path
  from typing import Optional, Union
  from torchvision.datasets.folder import default_loader
  from torchvision.transforms import ToTensor
  from avalanche.benchmarks.datasets import DownloadableDataset, default_dataset_location
  from avalanche.benchmarks.datasets.openloris import openloris_data
label_desc: Use image node_id 7 for calling the OpenLORIS obj's underlying member method code with example usage: obj.__len__() and returns: len