code: def setUp(self):
      self.exception = getattr(
          self, "index_exception", None
      ) or getattr(self, "key_exception", None)
  
      if isinstance(self.indices, list):
          self.indices = [
              index if isinstance(index, bool) else self.integer(index)
              for index in self.indices
          ]
  
file_path: chainer/tests/chainer_tests/dataset_tests/tabular_tests/test_slice.py
imports: import unittest
  import warnings
  import numpy
  import six
  import chainer
  from chainer import testing
  from chainer_tests.dataset_tests.tabular_tests import dummy_dataset
label_desc: Use image node_id 1 for calling the TestSlice obj's underlying member method code with example usage: obj.setUp() without return types