code: def get_example(self, i):
      img, point = super(InvalidPointDataset, self).get_example(i)[:2]
      rest = super(InvalidPointDataset, self).get_example(i)[2:]
      point += 1000
      return (img, point) + rest
  
imports: import numpy
  import unittest
  from chainer.dataset import DatasetMixin
  from chainercv.utils import assert_is_point_dataset
  from chainercv.utils import testing
label_desc: Use image node_id 1 for calling the InvalidPointDataset obj's underlying member method code with example usage: obj.get_example(i) and returns: unknown