code: def setUp(self):
      self._x = numpy.random.uniform(
          low=-5, high=1, size=self.shape
      ).astype(self.dtype)
      self.q = numpy.random.uniform(
          low=-5, high=1, size=self.shape
      ).astype(self.dtype)
      self.func = F.zeta
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_zeta.py
imports: import unittest
  import numpy
  import chainer
  import chainer.functions
  from chainer import testing
label_desc: Use image node_id 1 for calling the TestZetaExceptions obj's underlying member method code with example usage: obj.setUp() without return types