code: def tearDown(self):
      if self.old_settings is not None:
          numpy.seterr(**self.old_settings)
  
file_path: chainer/tests/chainer_tests/distributions_tests/test_categorical.py
imports: import numpy
  from chainer import cuda
  from chainer import distributions
  from chainer import testing
  from chainer.testing import array
label_desc: Use image node_id 2 for calling the TestCategorical obj's underlying member method code with example usage: obj.tearDown() without return types