code: def get_example(self, i):
      img, label = super(InvalidSampleSizeDataset, self).get_example(i)[
          :2
      ]
      return img
  
imports: import numpy
  import unittest
  from chainer.dataset import DatasetMixin
  from chainer import testing
  from chainercv.utils import assert_is_label_dataset
label_desc: Use image node_id 1 for calling the InvalidSampleSizeDataset obj's underlying member method code with example usage: obj.get_example(i) and returns: img