code: def __init__(self, n_samples, shape):
      self.n_samples = n_samples
      self.shape = shape
  
imports: from ctypes import pointer
  from tempfile import NamedTemporaryFile
  from collections import defaultdict
  from assertpy.assertpy import assert_that
  from multiprocessing import cpu_count
  import torch
  from assertpy import assert_that
  import numpy
  from torch.utils.data import Dataset
  from ffcv import DatasetWriter
  from ffcv.fields import IntField, NDArrayField, TorchTensorField
  from ffcv import Loader
label_desc: Use image node_id 1 to create a new TripleDummyActivationsDataset object from inherited base classes: Dataset with example: obj = TripleDummyActivationsDataset(n_samples, shape)