code: def setUp(self):
      self.in_shape = self.params["shape"]
      self.repeats = self.params["repeats"]
      self.axis = self.params["axis"]
  
      if self.dtype == numpy.float16:
          self.check_forward_options.update(
              {"atol": 5e-4, "rtol": 5e-3}
          )
          self.check_backward_options.update(
              {"atol": 2**-4, "rtol": 2**-4}
          )
  
file_path: chainer/tests/chainer_tests/functions_tests/array_tests/test_repeat.py
imports: import unittest
  import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 1 for calling the TestRepeat obj's underlying member method code with example usage: obj.setUp() without return types